US2743541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press plates
Assignee: BISHOP DAVID FREEMAN Co
•
Filing: 1953-03-10
•
Granted: 1956-05-01
•
Expires: 1973-03-10
Abstract
No abstract record available.
Inventors
- 👤 Roy M Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:11
CPC Classifications
D; D06; D06F; D06F71/00; D06F71/32; D06F71/34
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |