US2854115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press control
Assignee: National Machinery Co
•
Filing: 1955-08-04
•
Granted: 1958-09-30
•
Expires: 1975-08-04
Abstract
No abstract record available.
Inventors
- 👤 Robert G Friedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:52
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/14; B30B15/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2464944A
Cited
US2065820A
Cited
US2454882A
Cited
US2559195A
Cited
US2525711A
Cited
US2571818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |