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US2542089A
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US
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Collating machine
Assignee: Individual
•
Filing: 1946-08-30
•
Granted: 1951-02-20
•
Expires: 1966-08-30
Abstract
No abstract record available.
Inventors
- 👤 Charles L Leifer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:22
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/44; B65H3/446; B65H3/08; B65H3/0808; B65H3/0816; B65H31/00; B65H31/34; B65H39/00; B65H39/02; B65H39/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18096
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) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |