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US2824315A
Expired / Lapsed
US
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Releasable coupling device
Assignee: Individual
•
Filing: 1955-03-15
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Granted: 1958-02-25
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Expires: 1975-03-15
Abstract
No abstract record available.
Inventors
- 👤 George D Mckenny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:22
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/22; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45461; Y10T24/45466; Y10T24/45471; Y10T24/45482; Y10T24/45487; Y10T24/45492; Y10T24/45602; Y10T24/45723; Y10T24/45728
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US779660A
Cited
US1137863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |