US2793032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet collating machine
Assignee: Individual
•
Filing: 1953-12-14
•
Granted: 1957-05-21
•
Expires: 1973-12-14
Abstract
No abstract record available.
Inventors
- 👤 Harold W Van Dusen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:20
CPC Classifications
B; B65; B65H; B65H39/00; B65H39/02; B65H39/04; B65H39/055; B65H1/00; B65H1/02; B65H3/00; B65H3/02; B65H3/44; B65H3/443; B65H2403/00; B65H2403/50; B65H2403/53; B65H2403/532; B65H2403/533; B65H2403/5331; B65H2403/55; B65H2405/00; B65H2405/30; B65H2405/33; B65H2405/331; B65H2405/3312; B65H2511/00; B65H2511/20; B65H2511/21; B65H2511/214; B65H2515/00; B65H2515/30; B65H2515/34
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |