Patent US2953274A successfully refreshed from Google Patents.
US2953274A
Expired / Lapsed
US
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Tape dispenser
Assignee: Chart Pak Inc
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Filing: 1958-10-13
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Granted: 1960-09-20
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Expires: 1978-10-13
Abstract
No abstract record available.
Inventors
- 👤 Charles F Bertschinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:19
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; B65H35/002; B65H35/0026; B65H35/0033; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1788; Y10T156/1795
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 |