Patent US2612461A successfully refreshed from Google Patents.
US2612461A
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Method for the manufacture of elastic rubber tires
Assignee: Individual
•
Filing: 1949-03-21
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Granted: 1952-09-30
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Expires: 1969-03-21
Abstract
No abstract record available.
Inventors
- 👤 Hallgren Karl Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:53
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/02; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10522
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
METHOD FOR THE MANUFACTURE OF RESILIENT RUBBER TIRES HAVING A PLURALITY OF TRANSVERSE PROJECTIONS DIVIDING UP THE TIRE IN CHAMBERS, SAID METHOD COMPRISING THE STEPS OF CASTING A BODY CONSISTING OF PROJECTIONS CONNECTED BY AT LEAST ONE RIM TO FORM A UNIT, AND VULCANIZING A RUBBER CASING TO THE SAID UNIT IN A MOULD WHILE APPLYING AN INTERNAL PRESSURE IN THE CHAMBERS, SAID PRESSURE SUBSTANTIALLY CORRESPONDING IN MAGNITUDE TO THE OUTER PRESSURE CAUSED BY THE APPLICATION OF THE MOULD DURING VULCANIZATION, WHEREBY ANY DISTORTION OR DEFORMATION OF THE TRANSVERSE WALLS AS WELL AS PENETRATION OF THE RUBBER OF THE CASING INTO THE CHAMBERS DURING VULCANIZATION TO DIFFERENCES IN AIR PRESSURE IS PREVENTED.
Claim 2
Dependent Claim
112 words
METHOD FOR THE MANUFACTURE OF RESILIENT RUBBER TIRES HAVING A PLURALITY OF TRANSVERSE PROJECTIONS DIVIDING UP THE TIRE IN CHAMBERS, SAID METHOD COMPRISING THE STEPS OF CASTING A BODY CONSISTING OF PROJECTIONS CONNECTED BY AT LEAST ONE RIM TO FORM A UNIT, AND VULCANIZING A RUBBER CASING TO THE SAID UNIT IN A MOULD WHILE APPLYING AN INTERNAL PRESSURE IN THE CHAMBERS, SAID PRESSURE SUBSTANTIALLY CORRESPONDING IN MAGNITUDE TO THE OUTER PRESSURE CAUSED BY THE APPLICATION OF THE MOULD DURING VULCANIZATION, WHEREBY ANY DISTORTION OR DEFORMATION OF THE TRANSVERSE WALLS AS WELL AS PENETRATION OF THE RUBBER OF THE CASING INTO THE CHAMBERS DURING VULCANIZATION TO DIFFERENCES IN AIR PRESSURE IS PREVENTED.
References Cited (Backward Citations)
US1637465A
Cited
US684050A
Cited
US882341A
Cited
US1367496A
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US1351156A
Cited
US1459544A
Cited
US1812821A
Cited
US1827668A
Cited
US2007825A
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US2273283A
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US2476884A
Cited
US2497226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |