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US2874666A
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Assignee: Individual
•
Filing: 1956-05-02
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Granted: 1959-02-24
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Expires: 1976-05-02
Abstract
No abstract record available.
Inventors
- 👤 James P Thor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:28
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/03; B21D39/034; Y; Y10; Y10T; Y10T29/00; Y10T29/34; Y10T29/53; Y10T29/53709
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US326557A
Cited
DE359869C
Cited
US838008A
Cited
US1148672A
Cited
GB206941A
Cited
US2297948A
Cited
US2333966A
Cited
US2467969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |