US3486708A
Expired / Lapsed
US
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Assignee: Wartsila Appleton Inc
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Filing: 1968-05-13
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Granted: 1969-12-30
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Expires: 1988-05-13
Abstract
No abstract record available.
Inventors
- 👤 David E Lamon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:14
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/10; B65H19/18; B65H19/1857; B65H19/1868; B65H19/1805; B65H19/1826; B65H19/1836; B65H23/00; B65H23/04; B65H23/06; B65H2301/00; B65H2301/40; B65H2301/46; B65H2301/461; B65H2301/4611; B65H2301/46115; B65H2301/463; B65H2301/4633; B65H2301/464; B65H2301/46414
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) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |