US2447145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape dispenser
Assignee: Johns Manville Corp
•
Filing: 1946-06-20
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Granted: 1948-08-17
•
Expires: 1966-06-20
Abstract
No abstract record available.
Inventors
- 👤 Paul Van Cleef
- 👤 Chonacki Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:41
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; B65H35/002; B65H35/0026; B65H35/0073; B65H35/0093; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/213; Y10T225/214; Y10T225/282; Y10T225/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR454241A
Cited
US1972850A
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US1972851A
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US2251942A
Cited
US2138338A
Cited
US2324204A
Cited
US2233361A
Cited
US2366971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |