US2690754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cigarette shielding cigarette holder
Assignee: Individual
•
Filing: 1952-03-18
•
Granted: 1954-10-05
•
Expires: 1972-03-18
Abstract
No abstract record available.
Inventors
- 👤 Burthey Claudie Coleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:27
CPC Classifications
A; A24; A24F; A24F13/00; A24F13/02; A24F13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1457577A
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US1541891A
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US1610292A
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GB353745A
Cited
US1941531A
Cited
US2267966A
Cited
US2359529A
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US2502951A
Cited
CH253075A
Cited
US2558320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |