US2784987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupling with detent means
Assignee: Individual
•
Filing: 1954-02-03
•
Granted: 1957-03-12
•
Expires: 1974-02-03
Abstract
No abstract record available.
Inventors
- 👤 Corcoran Richard Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:03
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/04; F16B7/0406; F16B7/0413; F16L; F16L37/00; F16L37/08; F16L37/12; F16L37/133; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32975; Y10T403/32983
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |