US2947536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper folding device
Assignee: Individual
•
Filing: 1957-06-03
•
Granted: 1960-08-02
•
Expires: 1977-06-03
Abstract
No abstract record available.
Inventors
- 👤 Iliff H Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:15
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/12; B65H45/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2407992A
Cited
US1097649A
Cited
US1283108A
Cited
US1875655A
Cited
US1963205A
Cited
US2468254A
Cited
US2449663A
Cited
US2572289A
Cited
US2859961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |