US3048393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet separating apparatus
Assignee: International Business Machines Corp
•
Filing: 1958-11-28
•
Granted: 1962-08-07
•
Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 Robert J Furr
- 👤 Emil M Valehrach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:39
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/02; B65H3/04; B65H3/047; B07; B07C; B07C1/00; B07C1/02; B07C1/04; B65H3/46; B65H3/52; B65H3/5246; B65H3/5253; B65H3/5269; G; G06; G06K; G06K13/00; G06K13/02; G06K13/07; G06K13/08; G06K13/10; G06K13/103; B65H2404/00; B65H2404/50; B65H2404/52; B65H2404/521; B65H2404/5213; B65H2404/52131; B65H2701/00; B65H2701/10; B65H2701/19; B65H2701/1912
Claims Analysis
Total Claims: 0
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US2936170A
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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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |