Patent US2811861A successfully refreshed from Google Patents.
US2811861A
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Adapter coupling means
Assignee: Individual
•
Filing: 1953-08-03
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Granted: 1957-11-05
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Expires: 1973-08-03
Abstract
No abstract record available.
Inventors
- 👤 John D Rieser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:37
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/09; F16D1/093; F16D1/095; F16D1/096; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/07; F16C35/073; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7056; Y10T403/7058; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19679; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US258797A
Cited
US2699589A
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US726336A
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US2377046A
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US2447299A
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US2475042A
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US2556151A
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US2612788A
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US2603983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |