Patent US1818261A successfully refreshed from Google Patents.
US1818261A
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US
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Coupling
Assignee: Individual
•
Filing: 1927-10-14
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Granted: 1931-08-11
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Expires: 1947-10-14
Abstract
No abstract record available.
Inventors
- 👤 Dick H Koch
- 👤 Ira T Slaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:16
CPC Classifications
F; F16; F16B; F16B7/00; E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/046; F16B7/04; F16B7/0406; Y; Y10; Y10T; Y10T403/00; Y10T403/66; Y10T403/70; Y10T403/7005; Y10T403/7007
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) | 1934-08-10 | 1935-02-09 | 1935-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-08-10 | 1939-02-09 | 1939-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-08-10 | 1943-02-09 | 1943-08-11 | $7700.00 | Window Closed / Lapsed |