US2622051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soft flexible pad
Assignee: Individual
•
Filing: 1950-06-08
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Granted: 1952-12-16
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Expires: 1970-06-08
Abstract
No abstract record available.
Inventors
- 👤 William A Hermanson
- 👤 Joseph L Hermanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:06
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2895; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/164; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24455; Y10T428/24463; Y10T428/24628; Y10T428/24669; Y10T428/24678; Y10T428/24686
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
A COMPOSITE SHEET COMPRISING MULTIPLE LAYERS OF THIN ABSORBENT PAPER WEBS OF OPEN FORMATION AND LOW DENSITY, A PAPER SHEET OF CLOSED FORMATION AND HIGH DENSITY SERVING AS A BACKING SHEET EXTENDING OVER THE WHOLE AREA OF THE WEBS, SAID WEBS BEING FORMED INTO A REGULAR PATTERN WITH AREAS SPACED FROM THE BACKING SHEET COMPLETELY SURROUNDED BY PORTIONS IN CONTACT WITH THE BACKING SHEET AND PORTIONS CONNECTING THE SPACED AREAS WITH THE PORTIONS IN CONTACT WITH THE BACKING SHEET, SAID CONNECTING PORTIONS BEING INCLINED UNDER THE SPACED AREAS AND BEING CREPED, AND MEANS CEMENTING THE PORTIONS OF THE WEBS IN CONTACT WITH THE BACKING SHEETS TOGETHER WITH ONE ANOTHER AND TO SAID BACKING SHEET.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |