US2639665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mail marking machine fob sheets
Assignee: —
•
Filing: —
•
Granted: 1953-05-26
•
Expires: 1970-05-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:06
CPC Classifications
B; B41; B41J; B41J11/00; B41J11/20; B41J13/00; B41J13/10; B41J13/12; G; G07; G07B; G07B17/00; G07B17/00185; G07B17/00193; G07B17/00459; G07B17/00508
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2273295A
Cited
US2377522A
Cited
US1110723A
Cited
US1737878A
Cited
US1796327A
Cited
US1829004A
Cited
US1971568A
Cited
US2100027A
Cited
US2206743A
Cited
US2396199A
Cited
US2248403A
Cited
US2444187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |