US1737455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming gear blanks and the like
Assignee: FIBROC INSULATION Co
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Filing: 1927-03-11
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Granted: 1929-11-26
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Expires: 1947-03-11
Abstract
No abstract record available.
Inventors
- 👤 Louis T Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:04
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/06; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T156/1052; Y10T156/1062; Y10T156/1064; Y10T428/00; Y10T428/21; Y10T428/211; Y10T428/24; Y10T428/24777; Y10T428/24785; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19916
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1932-11-25 | 1933-05-27 | 1933-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-11-25 | 1937-05-27 | 1937-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-11-25 | 1941-05-27 | 1941-11-26 | $7700.00 | Window Closed / Lapsed |