US2953397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pocket secretary
Assignee: Individual
•
Filing: 1958-04-14
•
Granted: 1960-09-20
•
Expires: 1978-04-14
Abstract
No abstract record available.
Inventors
- 👤 Harry L Diamond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:24
CPC Classifications
B; B42; B42D; B42D5/00; B42D5/04; B42D5/042; B42D5/001; B42D5/002; B42D5/043; B42D5/045; B42D5/047
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) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |