US2487351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable tape sealer
Assignee: Marsh Stencil Machine Co
•
Filing: 1945-01-05
•
Granted: 1949-11-08
•
Expires: 1965-01-05
Abstract
No abstract record available.
Inventors
- 👤 Walton C Marsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:02
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; B65H35/002; B65H35/0046; B65H35/0053; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1348; Y10T156/1352; Y10T156/1361
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US508682A
Cited
US898609A
Cited
US1026446A
Cited
US1019719A
Cited
US1919415A
Cited
US1936357A
Cited
US2285507A
Cited
US2409872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |