US2663352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge trimming machine
Assignee: Individual
•
Filing: 1951-10-19
•
Granted: 1953-12-22
•
Expires: 1971-10-19
Abstract
No abstract record available.
Inventors
- 👤 Keller Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:27
CPC Classifications
B; B31; B31B; B31B50/00; B31D; B31D1/00; B31D1/0062; B31B50/60; B31B50/72; B31B50/722; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1343; Y10T83/00; Y10T83/444; Y10T83/4458
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1220623A
Cited
US1298348A
Cited
US1958132A
Cited
US1958138A
Cited
US2166038A
Cited
US2254394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |