US2445903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engraving machine
Assignee: ACCMATOOL Co Inc
•
Filing: 1946-04-01
•
Granted: 1948-07-27
•
Expires: 1966-04-01
Abstract
No abstract record available.
Inventors
- 👤 Bentzman Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:36
CPC Classifications
B; B44; B44B; B44B3/00; B44B3/06; B44B3/061; B44B3/001; B44B3/04; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/566; Y10T409/00; Y10T409/30; Y10T409/303416; Y10T409/306664; Y10T409/30672
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) | 1951-07-27 | 1952-01-26 | 1952-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-27 | 1956-01-26 | 1956-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-27 | 1960-01-26 | 1960-07-27 | $7700.00 | Window Closed / Lapsed |