US3482860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum type all metal connector for tubing
Assignee: United States Department of the Air Force
•
Filing: 1967-11-06
•
Granted: 1969-12-09
•
Expires: 1987-11-06
Abstract
No abstract record available.
Inventors
- 👤 Ronald Dawbarn
- 👤 James D Haygood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:22
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/02; F16L19/0212; F16L19/0218; F16L39/00; F16L39/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1595310A
Cited
US1834581A
Cited
US1906826A
Cited
US2349170A
Cited
US3265414A
Cited
US3400953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |