US998499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-operated safety-clutch.
Assignee: BIRMINGHAM IRON FOUNDRY
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Filing: 1911-04-14
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Granted: 1911-07-18
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Expires: 1931-04-14
Abstract
No abstract record available.
Inventors
- 👤 William Alexander Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:21
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/06; F16D25/062; F16D25/063; F16D25/0635; F16D25/0638
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) | 1914-07-17 | 1915-01-16 | 1915-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-07-17 | 1919-01-16 | 1919-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-07-17 | 1923-01-16 | 1923-07-18 | $7700.00 | Window Closed / Lapsed |