US3477444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined cigarette receiver,extinguisher and discarder
Assignee: ANTHONY W DU PONT JR
•
Filing: 1967-10-24
•
Granted: 1969-11-11
•
Expires: 1987-10-24
Abstract
No abstract record available.
Inventors
- 👤 Elizabeth F Adams
- 👤 Anthony W Du Pont Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:10
CPC Classifications
A; A24; A24F; A24F19/00; A24F19/10; A24F19/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2256420A
Cited
GB602712A
Cited
US2621661A
Cited
US2695619A
Cited
US2736320A
Cited
US2737956A
Cited
US2795231A
Cited
US2936765A
Cited
US3173641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |