US2748831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming high-pressure nonmetallic tubing
Assignee: American Fixture Inc
•
Filing: 1952-05-19
•
Granted: 1956-06-05
•
Expires: 1972-05-19
Abstract
No abstract record available.
Inventors
- 👤 John J Nash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:56
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; B29C53/62; B29C53/66; B29C53/665; B29C53/581
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1215934A
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US1795876A
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US1990248A
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US2048360A
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US2296781A
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US2354556A
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US2402038A
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US2478181A
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US2653887A
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 |