US2887951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mail canceling device-
Assignee: —
•
Filing: —
•
Granted: 1959-05-26
•
Expires: 1976-05-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:37
CPC Classifications
G; G07; G07B; G07B17/00; G07B17/00459; G07B17/00508; B; B41; B41J; B41J11/00; B41J11/007; B41J13/00; B41J13/10; B41J13/12; G07B17/00185; G07B17/00193; G07B17/00467; B65; B65H; B65H2801/00; B65H2801/03; B65H2801/21; G07B2017/00516; G07B2017/00524; G07B2017/00532; G07B2017/00556
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |