Patent US3493299A successfully refreshed from Google Patents.
US3493299A
Expired / Lapsed
US
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Sheet conveying means for copying machines
Assignee: Pitney Bowes Inc
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Filing: 1966-08-25
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Granted: 1970-02-03
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Expires: 1986-08-25
Abstract
No abstract record available.
Inventors
- 👤 Henry S Hazelton Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:08
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/28; B; B41; B41L; B41L7/00; B41L7/02; B41L7/04; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6207; G03B27/625; G03B27/6257
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2377525A
Cited
US3051408A
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US3352218A
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US3330179A
Cited
US3322031A
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US3363256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |