US2749152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Short tube coupling with deformable edges
Assignee: Weatherhead Co
•
Filing: 1952-11-13
•
Granted: 1956-06-05
•
Expires: 1972-11-13
Abstract
No abstract record available.
Inventors
- 👤 Louis B Courtot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:24
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/08; F16L19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE23157E
Cited
DE691001C
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US2211856A
Cited
US2188006A
Cited
US2394351A
Cited
US2466526A
Cited
US2687315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |