US2912260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupling having a hand operated spring biased catch means
Assignee: General Electric Canada Co
•
Filing: 1954-07-06
•
Granted: 1959-11-10
•
Expires: 1974-07-06
Abstract
No abstract record available.
Inventors
- 👤 Wray Edward John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:06
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/0844; A; A47; A47L; A47L9/00; A47L9/24; A47L9/242; Y; Y10; Y10T; Y10T403/00; Y10T403/59; Y10T403/591; Y10T403/599
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |