US2996757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making picture plaques and book covers
Assignee: Individual
•
Filing: 1959-05-21
•
Granted: 1961-08-22
•
Expires: 1979-05-21
Abstract
No abstract record available.
Inventors
- 👤 Albert E Heflin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:22
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/34; B28B7/346; B21; B21D; B21D26/00; B21D26/02; B21D26/06; B21D26/08; B30; B30B; B30B1/00; B30B1/001; B44; B44C; B44C3/00; B44C3/04; B44C3/042; Y; Y10; Y10S; Y10S264/00; Y10S264/30; Y10S264/78
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) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |