US2804299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet material accumulating apparatus
Assignee: Individual
•
Filing: 1955-06-29
•
Granted: 1957-08-27
•
Expires: 1975-06-29
Abstract
No abstract record available.
Inventors
- 👤 John D Robertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:26
CPC Classifications
B; B65; B65H; B65H23/00; B65H20/00; B65H20/24; D; D06; D06C; D06C3/00; D06C2700/00; D06C2700/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US795164A
Cited
US1887023A
Cited
US1986724A
Cited
US2029394A
Cited
US2482497A
Cited
US2427223A
Cited
GB613471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |