US3485458A
Expired / Lapsed
US
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Assignee: MARTIN J EVANS
•
Filing: 1968-07-05
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Granted: 1969-12-23
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Expires: 1988-07-05
Abstract
No abstract record available.
Inventors
- 👤 Martin J Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:39
CPC Classifications
B; B65; B65H; B65H49/00; B65H49/02; B65H49/04; B65H49/14; B65H49/16; B65H57/00; B65H57/12
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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |