US2953403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable drive coupling for pump shafts
Assignee: US Electrical Motors Inc
•
Filing: 1959-01-07
•
Granted: 1960-09-20
•
Expires: 1979-01-07
Abstract
No abstract record available.
Inventors
- 👤 Albert J Garey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:33
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/02; F16D1/033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1373712A
Cited
US1522980A
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US1962229A
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US2086806A
Cited
US2108679A
Cited
US2210811A
Cited
US2564838A
Cited
US2830801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |