US2680048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Humidor
Assignee: Individual
•
Filing: 1950-07-21
•
Granted: 1954-06-01
•
Expires: 1970-07-21
Abstract
No abstract record available.
Inventors
- 👤 Mcdonald Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:16
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/704; A23B2/708; A24; A24F; A24F25/00; A24F25/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US893740A
Cited
US1054159A
Cited
US1129897A
Cited
GB198979A
Cited
FR584271A
Cited
US1656757A
Cited
US2219959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |