US2907102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold tube bending
Assignee: Horace T Potts Co
•
Filing: 1955-05-16
•
Granted: 1959-10-06
•
Expires: 1975-05-16
Abstract
No abstract record available.
Inventors
- 👤 David E Armstrong
- 👤 Thomas J J Dunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:44
CPC Classifications
B; B21; B21D; B21D9/00; B21D9/01; B21D9/03; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49444
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1683573A
Cited
US1647526A
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US1943978A
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US1947611A
Cited
US2615411A
Cited
US2715432A
Cited
US2701002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |