US2918809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible coupling for shafts
Assignee: SIER BATH GEAR AND PUMP CO Inc
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Filing: 1959-02-26
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Granted: 1959-12-29
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Expires: 1979-02-26
Abstract
No abstract record available.
Inventors
- 👤 Robert A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:15
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/18; F16D3/185; F16D3/50; F16D3/72; F16D3/74; Y; Y10; Y10S; Y10S464/00; Y10S464/902; Y10S464/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |