Patent US3010299A successfully refreshed from Google Patents.
US3010299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
shannon
Assignee: —
•
Filing: —
•
Granted: 1961-11-28
•
Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:56
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/94; D04B27/00; D04B27/10; D04B27/24; D04B27/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB334266A
Cited
US1463408A
Cited
US793791A
Cited
US1210866A
Cited
GB171483A
Cited
US1838651A
Cited
US2422568A
Cited
US2587816A
Cited
US2697337A
Cited
US2736178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |