Patent US3029679A successfully refreshed from Google Patents.
US3029679A
Expired / Lapsed
US
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Drums
Assignee: Individual
•
Filing: 1957-12-05
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Granted: 1962-04-17
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Expires: 1977-12-05
Abstract
No abstract record available.
Inventors
- 👤 Londe Fred J La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:29
CPC Classifications
G; G10; G10D; G10D13/00; G10D13/01; G10D13/02; G10D13/10; G10D13/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US772743A
Cited
US881109A
Cited
US899488A
Cited
US889762A
Cited
US935841A
Cited
US1009467A
Cited
US1049690A
Cited
US2485985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |