US3461748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a broaching tool
Assignee: EDWIN L MEYER
•
Filing: 1966-05-10
•
Granted: 1969-08-19
•
Expires: 1986-05-10
Abstract
No abstract record available.
Inventors
- 👤 Edwin L Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:01
CPC Classifications
B; B23; B23D; B23D43/00; B23D43/02; B23D37/00; B23D37/005; Y; Y10; Y10T; Y10T407/00; Y10T407/16; Y10T407/1628; Y10T407/1657
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE667286C
Cited
US3126611A
Cited
US2181396A
Cited
US1874536A
Cited
US2057303A
Cited
US2044495A
Cited
US2044494A
Cited
US2173074A
Cited
US2204537A
Cited
US2439822A
Cited
US2585990A
Cited
US2538844A
Cited
SU147428A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |