US3010458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for removal of tar and other deleterious substances from tobacco smoke
Assignee: Mac Farland Aveyard & Co
•
Filing: 1958-04-22
•
Granted: 1961-11-28
•
Expires: 1978-04-22
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Lebert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:05
CPC Classifications
A; A24; A24F; A24F13/00; A24F13/02; A24F13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US340064A
Cited
US1594606A
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US1555320A
Cited
US1749582A
Cited
US1902775A
Cited
US2755206A
Cited
US2778364A
Cited
US2869883A
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 |