US3488674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for operating on a normally limp surface,particularly on the edge of an envelope
Assignee: COMMAND AUTOMATION Inc A CORP OF
•
Filing: 1968-05-23
•
Granted: 1970-01-06
•
Expires: 1988-05-23
Abstract
No abstract record available.
Inventors
- 👤 Luther G Simjian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:50
CPC Classifications
B; B43; B43M; B43M7/00; B43M7/001; Y; Y10; Y10S; Y10S83/00; Y10S83/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1895122A
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US2019398A
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US2173789A
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US2219682A
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US2920520A
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US2794304A
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US3149594A
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US3225801A
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US3273775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |