US2893449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dovetailing machine
Assignee: Individual
•
Filing: 1955-10-17
•
Granted: 1959-07-07
•
Expires: 1975-10-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas D Hadnagy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:57
CPC Classifications
B; B27; B27F; B27F1/00; B27F1/08; B27F1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US920513A
Cited
US1058441A
Cited
US1651510A
Cited
US2299602A
Cited
US2586798A
Cited
US2764191A
Cited
US2747627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |