US2933930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indexing mechanism
Assignee: Individual
•
Filing: 1959-07-20
•
Granted: 1960-04-26
•
Expires: 1979-07-20
Abstract
No abstract record available.
Inventors
- 👤 Huhn Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:16
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/022; B23Q16/026; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/15; Y10T74/1526; Y10T74/1529; Y10T74/1531; Y10T74/1558; Y10T74/1584; Y10T74/1585; Y10T74/18; Y10T74/1856; Y10T74/21; Y10T74/2133; Y10T74/2141
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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |