Patent JPS5932874A successfully refreshed from Google Patents.
US2880467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making reinforced footwear
Assignee: Uniroyal Inc
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Filing: 1954-01-04
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Granted: 1959-04-07
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Expires: 1974-01-04
Abstract
No abstract record available.
Inventors
- 👤 Virgil J Wibbens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:05
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/02; B29D35/04; A; A43; A43B; A43B1/00; A43B1/0027; A43B3/00; A43B3/02; B29C; B29C41/00; B29C41/02; B29C41/18; B29C41/22; B29C41/34; B29C41/46; B29C44/00; B29C44/02; B29C44/12; B29C44/14; B29K; B29K2021/00; B29K2027/00; B29K2027/06; B29K2105/00; B29K2105/0005; B29K2105/0038; B29K2105/0058; B29K2105/0061; B29L; B29L2031/00; B29L2031/48; B29L2031/50; B29L2031/501
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
227 words
THE METHOD OF MAKING A SEAMLESS REINFORCED FOOTWEAR HAVING A RESINOUS WALL REINFORCED IN THE SOLE AND FOXING AREAS, WHICH COMPRISES PROVIDING A HOLLOW METAL MOLD HAVING SILE AND SIDEWALL PORTIONS DEFINING A MOLD CAVITY, SAID SIDEWALL PORTIONS INCLUDING A FOXING AREA ADJACENT THE SOLE PORTIONS OF THE MOLD, POURING A RESINOUS PLASTISOL INTO THE MOLD TO SEPTH SUFFICIENT ONLY TO EXTEND UP THE SIDEWALL OF SAID MOLD A LITTLE DISTANCE FROM SAID SOLE ATEA AND LESS THAN THE HEIGHT DISIRED IN THE COMPLETED FOOTWEAR TO FORM A REINFORCING LAYER FOR THE SOLE AND FOXING AREAS, HEATING THE PORTION OF THIS PLASTISOL THAT IS ADJACENT THE WALLS OF THE MOLD TO FORM FROM ONLY A PORTION OF THE PLASTISOL A NON-CELLULAR SKIN ON THE SOLE AND SIDEWALL PORTIONS OF THE MOLD, POURING ADDITIONAL REINOUS PLASTISOL INTO THE MOLD AND TO A HEIGHT SUFFICIENT FOR THE COMPLETED FOOTWEAR, HEATING THE PORTION OF THE PLASTISOL THAT IS ADJACENT THE PREVIOUSLY FORMED SKIN AND IS ADJACENT THE SIDEWALLS OF THE MOLD TO FORM A NONCELLULAR SKIN ON THE REMAINING WALLS OF THE MOLD AND WITHIN THE REINFORCING SKIN, POURING OUT THE PLASTISOL THAT DOES NOT ADHERE AS A SKIN TO THE WALLS OF THE MOLD AND TO SAID REINFORCING SKIN, AND THEN HEATING THE PLASTISOL REMAINING IN THE MOLD IN THE FORM OF A SKIN SUFFICIENTLY TO FUSE SAID PLASTISOL
Claim 2
Independent Claim
227 words
THE METHOD OF MAKING A SEAMLESS REINFORCED FOOTWEAR HAVING A RESINOUS WALL REINFORCED IN THE SOLE AND FOXING AREAS, WHICH COMPRISES PROVIDING A HOLLOW METAL MOLD HAVING SILE AND SIDEWALL PORTIONS DEFINING A MOLD CAVITY, SAID SIDEWALL PORTIONS INCLUDING A FOXING AREA ADJACENT THE SOLE PORTIONS OF THE MOLD, POURING A RESINOUS PLASTISOL INTO THE MOLD TO SEPTH SUFFICIENT ONLY TO EXTEND UP THE SIDEWALL OF SAID MOLD A LITTLE DISTANCE FROM SAID SOLE ATEA AND LESS THAN THE HEIGHT DISIRED IN THE COMPLETED FOOTWEAR TO FORM A REINFORCING LAYER FOR THE SOLE AND FOXING AREAS, HEATING THE PORTION OF THIS PLASTISOL THAT IS ADJACENT THE WALLS OF THE MOLD TO FORM FROM ONLY A PORTION OF THE PLASTISOL A NON-CELLULAR SKIN ON THE SOLE AND SIDEWALL PORTIONS OF THE MOLD, POURING ADDITIONAL REINOUS PLASTISOL INTO THE MOLD AND TO A HEIGHT SUFFICIENT FOR THE COMPLETED FOOTWEAR, HEATING THE PORTION OF THE PLASTISOL THAT IS ADJACENT THE PREVIOUSLY FORMED SKIN AND IS ADJACENT THE SIDEWALLS OF THE MOLD TO FORM A NONCELLULAR SKIN ON THE REMAINING WALLS OF THE MOLD AND WITHIN THE REINFORCING SKIN, POURING OUT THE PLASTISOL THAT DOES NOT ADHERE AS A SKIN TO THE WALLS OF THE MOLD AND TO SAID REINFORCING SKIN, AND THEN HEATING THE PLASTISOL REMAINING IN THE MOLD IN THE FORM OF A SKIN SUFFICIENTLY TO FUSE SAID PLASTISOL
References Cited (Backward Citations)
US1924716A
Cited
US2144388A
Cited
US2147770A
Cited
US2142981A
Cited
US2349549A
Cited
US2652592A
Cited
US2629134A
Cited
US2588571A
Cited
BE523547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |