Patent US2923567A successfully refreshed from Google Patents.
US2923567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick disconnect coupling
Assignee: Robertshaw Controls Co
•
Filing: 1957-09-18
•
Granted: 1960-02-02
•
Expires: 1977-09-18
Abstract
No abstract record available.
Inventors
- 👤 Jones Leon
- 👤 Donald H Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:52
CPC Classifications
A; A62; A62B; A62B9/00; A62B9/04; F; F16; F16L; F16L37/00; F16L37/26; F16L37/28; F16L37/38; F16L37/40; Y; Y10; Y10T; Y10T403/00; Y10T403/59
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |