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Patent US1770744A successfully refreshed from Google Patents.
US1770744A
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Flexible marine-type coupling
Assignee: POOLE ENGINEERING AND MACHINE
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Filing: 1927-11-30
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Granted: 1930-07-15
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Expires: 1947-11-30
Abstract
No abstract record available.
Inventors
- 👤 Merton W Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:51
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/18; F16D3/185
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) | 1933-07-14 | 1934-01-13 | 1934-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-07-14 | 1938-01-13 | 1938-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-07-14 | 1942-01-13 | 1942-07-15 | $7700.00 | Window Closed / Lapsed |