US2987108A
Expired / Lapsed
US
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Assignee: MERCURY ENGINEERING Corp
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Filing: 1959-02-02
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Granted: 1961-06-06
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Expires: 1979-02-02
Abstract
No abstract record available.
Inventors
- 👤 John A Kilmartin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:23
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/10; B65H19/18; B65H19/1842; B65H19/1852; B65H2301/00; B65H2301/40; B65H2301/46; B65H2301/461; B65H2301/4615; B65H2301/4617; B65H2301/46176; B65H2301/462; B65H2301/4622; B65H2301/46222; B65H2301/463; B65H2301/4631; B65H2301/464; B65H2301/46412
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2660221A
Cited
US2766811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |