Patent US2640657A successfully refreshed from Google Patents.
US2640657A
Expired / Lapsed
US
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Tape dispenser
Assignee: Waldorf Paper Products Co
•
Filing: 1951-02-21
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Granted: 1953-06-02
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Expires: 1971-02-21
Abstract
No abstract record available.
Inventors
- 👤 Guyer Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:15
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; B65H35/002; B65H35/0026; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/222; Y10T225/257; Y10T225/269
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2369958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |