US2937038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure pipe fittings
Assignee: Individual
•
Filing: 1956-04-19
•
Granted: 1960-05-17
•
Expires: 1976-04-19
Abstract
No abstract record available.
Inventors
- 👤 John T Gondek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:15
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/08; F16L19/083; F16L19/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US303251A
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US792733A
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US899754A
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US1579648A
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US1818493A
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US2207469A
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US2387610A
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US2458874A
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US2496995A
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US2534199A
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US2531596A
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US2653834A
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US2784015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |