US2597602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper dispensing device
Assignee: Individual
•
Filing: 1949-02-12
•
Granted: 1952-05-20
•
Expires: 1969-02-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Sipior
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:15
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/215; Y10T225/238; Y10T225/24; Y10T225/246; Y10T225/254; Y10T225/27; Y10T225/294
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US440928A
Cited
US1268222A
Cited
US1364743A
Cited
US2138154A
Cited
US2352445A
Cited
US2474076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |