US3520565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connecting of tapered spigots and sockets
Assignee: G-D M & C Ltd
•
Filing: 1967-10-25
•
Granted: 1970-07-14
•
Expires: 1987-10-25
Abstract
No abstract record available.
Inventors
- 👤 Michael John Henry Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:42
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/006; B23B2222/00; B23B2222/21; B23B2228/00; B23B2228/28; B23B2231/00; B23B2231/02; B23B2231/0288; B23B2240/00; B23B2240/21; B23B2260/00; B23B2260/114; F; F16; F16B; F16B2200/00; F16B2200/10; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7075; Y10T403/7077
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1519101A
Cited
US1801171A
Cited
US1941289A
Cited
US1958621A
Cited
US2042088A
Cited
US2331474A
Cited
US3318401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |