US2715977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cigarette and ash separator
Assignee: Individual
•
Filing: 1952-07-28
•
Granted: 1955-08-23
•
Expires: 1972-07-28
Abstract
No abstract record available.
Inventors
- 👤 Arvel D Allman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:31
CPC Classifications
A; A24; A24F; A24F19/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US895420A
Cited
US1020004A
Cited
US1745761A
Cited
US1706244A
Cited
US1840664A
Cited
DE577593C
Cited
US2235568A
Cited
US2307645A
Cited
US2563750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |