US2685548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass rolling apparatus
Assignee: Ford Motor Co
•
Filing: 1951-12-26
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Granted: 1954-08-03
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Expires: 1971-12-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Drozdowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:52
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10816; B32B17/10825; B32B17/10862; B29; B29C; B29C43/00; B29C43/22; Y; Y10; Y10S; Y10S56/00; Y10S56/01; Y10S56/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A GLASS ROLLING APPARATUS COMPRISING A DRIVEN LOWER ROLL AND A FLOATING UPPER ROLL, EACH OF SAID ROLLS COMPRISING A CENTRAL METAL SHAFT SURROUNDED BY A THICK LAYER OF SOFT, POROUS SPONGE RUBBER, WHICH IN TURN IS SURROUNDED BY A MUCH THINNER LAYER OF RUBBER HAVING A DUROMETER OF
Claim 2
Dependent Claim
49 words
A GLASS ROLLING APPARATUS COMPRISING A DRIVEN LOWER ROLL AND A FLOATING UPPER ROLL, EACH OF SAID ROLLS COMPRISING A CENTRAL METAL SHAFT SURROUNDED BY A THICK LAYER OF SOFT, POROUS SPONGE RUBBER, WHICH IN TURN IS SURROUNDED BY A MUCH THINNER LAYER OF RUBBER HAVING A DUROMETER OF
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |