US2825342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoker's accessory
Assignee: Individual
•
Filing: 1955-05-27
•
Granted: 1958-03-04
•
Expires: 1975-05-27
Abstract
No abstract record available.
Inventors
- 👤 Wang Wensan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:30
CPC Classifications
A; A24; A24F; A24F1/00; A24F1/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US497351A
Cited
US553074A
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GB190403898A
Cited
US1249984A
Cited
US1455539A
Cited
US1517041A
Cited
US1614903A
Cited
US1736819A
Cited
US1690609A
Cited
US1747076A
Cited
US1833014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |