US2487699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broaching machine
Assignee: Bohn Aluminum and Brass Corp
•
Filing: 1945-01-31
•
Granted: 1949-11-08
•
Expires: 1965-01-31
Abstract
No abstract record available.
Inventors
- 👤 William J Fiegel
- 👤 George R Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:44
CPC Classifications
B; B23; B23D; B23D37/00; B23D37/02; B23D37/06; Y; Y10; Y10T; Y10T409/00; Y10T409/40; Y10T409/401925; Y10T409/402275; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18696; Y10T83/00; Y10T83/566; Y10T83/5669
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190526400A
Cited
GB136649A
Cited
US1463899A
Cited
US1590238A
Cited
US1626924A
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US1938233A
Cited
GB432596A
Cited
US2305900A
Cited
US2340653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |