US2459697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broaching machine
Assignee: COLONIAL BROACH CO
•
Filing: 1945-01-25
•
Granted: 1949-01-18
•
Expires: 1965-01-25
Abstract
No abstract record available.
Inventors
- 👤 Carl J Halborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:21
CPC Classifications
B; B23; B23D; B23D37/00; B23D37/02; B23D37/06; Y; Y10; Y10T; Y10T29/00; Y10T29/44; Y10T409/00; Y10T409/40; Y10T409/40455; Y10T409/404725; Y10T409/405075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1275883A
Cited
US1467525A
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US1867592A
Cited
US2203803A
Cited
US2251154A
Cited
US2308689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-18 | 1952-07-19 | 1953-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-18 | 1956-07-19 | 1957-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-18 | 1960-07-19 | 1961-01-18 | $7700.00 | Window Closed / Lapsed |