US3413017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas line connectors
Assignee: Airco Inc
•
Filing: 1965-08-12
•
Granted: 1968-11-26
•
Expires: 1985-08-12
Abstract
No abstract record available.
Inventors
- 👤 Howard G Hughey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:30
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/02; F16L19/0212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR781227A
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GB487967A
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US2242291A
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FR891167A
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US2480229A
Cited
US2560263A
Cited
GB721163A
Cited
US2813567A
Cited
DE1048103B
Cited
US2932305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |