US2856182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Newspaper stuffing machine
Assignee: Individual
•
Filing: 1954-01-28
•
Granted: 1958-10-14
•
Expires: 1974-01-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph S Cantrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:45
CPC Classifications
B; B65; B65H; B65H39/00; B65H39/02; B65H39/06; B65H2301/00; B65H2301/40; B65H2301/43; B65H2301/432; B65H2301/4321
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US399987A
Cited
US1809456A
Cited
US1929204A
Cited
US2288149A
Cited
US2288755A
Cited
US2634971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |