US2869153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable tap feed mechanism operative upon undue axial force on the spindle
Assignee: Individual
•
Filing: 1955-03-01
•
Granted: 1959-01-20
•
Expires: 1975-03-01
Abstract
No abstract record available.
Inventors
- 👤 Louis E Capek
- 👤 R T Van Campen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:17
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/16; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17769; Y10T408/00; Y10T408/65; Y10T408/675; Y10T408/6793; Y10T408/91; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2537; Y10T82/2539
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |