US3452853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper drive system
Assignee: Ricoh Printing Systems America Inc
•
Filing: 1966-10-10
•
Granted: 1969-07-01
•
Expires: 1986-10-10
Abstract
No abstract record available.
Inventors
- 👤 Stuart P Mabon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:19
CPC Classifications
B; B41; B41J; B41J15/00; B41J15/04; B41J15/06; B41J11/00; B41J11/26; B41J11/28; B41J11/36; B41J11/42; B41J19/00; B41J19/76; B41J19/78; B41J19/96; Y; Y10; Y10S; Y10S388/00; Y10S388/90; Y10S388/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2783427A
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US2800073A
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US2842250A
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US2825620A
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US2842249A
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US2884852A
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US3014570A
Cited
US3123195A
Cited
US3094261A
Cited
US3043589A
Cited
US3356200A
Cited
US3284688A
Cited
US3345008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |