US2977668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool holder
Assignee: Individual
•
Filing: 1958-03-03
•
Granted: 1961-04-04
•
Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Norman B Maness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:21
CPC Classifications
B; B25; B25G; B25G1/00; Y; Y10; Y10T; Y10T407/00; Y10T407/18; Y10T407/1825
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US610770A
Cited
CH6873A
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US835160A
Cited
US996195A
Cited
GB153440A
Cited
US2133546A
Cited
US2355286A
Cited
US2465132A
Cited
US2462284A
Cited
US2674286A
Cited
US2719995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |