US2962307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling for gas appliance
Assignee: Knapp Monarch Co
•
Filing: 1956-09-04
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Granted: 1960-11-29
•
Expires: 1976-09-04
Abstract
No abstract record available.
Inventors
- 👤 Richard B Nebinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:31
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/002; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0388; F17C2205/0394; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US167675A
Cited
US1586350A
Cited
US1578504A
Cited
US2178058A
Cited
US2226072A
Cited
US2683484A
Cited
GB717318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |