US2747870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet conveyor
Assignee: Individual
•
Filing: 1952-02-26
•
Granted: 1956-05-29
•
Expires: 1972-02-26
Abstract
No abstract record available.
Inventors
- 👤 Backhouse Headley Townsend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:55
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/02; B65H29/04; B65H29/041; B65H29/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1050857A
Cited
US1329936A
Cited
US1641437A
Cited
US1999587A
Cited
US1971896A
Cited
US2631038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |