US3474810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plug-in gas receptacle
Assignee: Individual
•
Filing: 1967-05-04
•
Granted: 1969-10-28
•
Expires: 1987-05-04
Abstract
No abstract record available.
Inventors
- 👤 Tom Welsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:19
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/088; F16L37/28; F16L37/38; F16L37/40; F16L37/42; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/1819; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/698; Y10T137/6984; Y10T137/6988
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2181758A
Cited
US2412685A
Cited
US2617442A
Cited
US2908511A
Cited
US3245423A
Cited
US3177018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |