US2429052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe end shaper
Assignee: Individual
•
Filing: 1944-09-29
•
Granted: 1947-10-14
•
Expires: 1964-09-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur L Forbes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:53
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/005; B23K7/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE276509C
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US893434A
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US909182A
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US1113196A
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US1782483A
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US2016735A
Cited
US2164724A
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US2309344A
Cited
US2357793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-13 | 1951-04-14 | 1951-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-13 | 1955-04-14 | 1955-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-13 | 1959-04-14 | 1959-10-14 | $7700.00 | Window Closed / Lapsed |