US3415198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: GEORGE J LAPPO
•
Filing: 1966-08-16
•
Granted: 1968-12-10
•
Expires: 1986-08-16
Abstract
No abstract record available.
Inventors
- 👤 George J Lappo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:39
CPC Classifications
F; F04; F04B; F04B49/00; F04B11/00; F04B11/0008; F04B11/0016; F04B43/00; F04B43/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1413568A
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GB299119A
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US2407792A
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US2537241A
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US2657633A
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US2856863A
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GB842308A
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US2942550A
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US3198128A
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US3150684A
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US3104614A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |