Patent US2547569A successfully refreshed from Google Patents.
US2547569A
Expired / Lapsed
US
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Tape dispenser
Assignee: DERBY SEALERS Inc
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Filing: 1948-09-04
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Granted: 1951-04-03
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Expires: 1968-09-04
Abstract
No abstract record available.
Inventors
- 👤 Oscar P Erhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:01
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; B65H35/002; B65H35/0026; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/222; Y10T225/238; Y10T225/243; Y10T225/246; Y10T225/247; Y10T225/287; Y10T225/29; Y10T225/291
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) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |