US2981961A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tapping spindle feed and drive means
Assignee: Individual
•
Filing: 1957-10-21
•
Granted: 1961-05-02
•
Expires: 1977-10-21
Abstract
No abstract record available.
Inventors
- 👤 Arvid A Molitor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:40
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/16; Y; Y10; Y10T; Y10T408/00; Y10T408/65; Y10T408/675; Y10T408/6757; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/188; Y10T74/18808; Y10T74/18816; Y10T74/18824
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1434564A
Cited
US2206031A
Cited
US2068084A
Cited
US2310124A
Cited
US2500540A
Cited
GB616401A
Cited
US2850926A
Cited
US2799871A
Cited
US2887907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |