Patent US3420149A successfully refreshed from Google Patents.
US3420149A
Expired / Lapsed
US
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Sheet feeding apparatus
Assignee: De la Rue Instruments Ltd
•
Filing: 1965-09-13
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Granted: 1969-01-07
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Expires: 1985-09-13
Abstract
No abstract record available.
Inventors
- 👤 Stanley William Middleditch
- 👤 Victor Richard Sels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:25
CPC Classifications
B; B65; B65H; B65H31/00; B65H31/04; B65H31/06; B65H3/00; B65H3/02; B65H3/06; B65H3/0661; B65H5/00; B65H5/002; G; G06; G06M; G06M7/00; G06M7/02; G06M7/06; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/421; B65H2301/4214; B65H2301/42146; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA625269A
Cited
US852100A
Cited
US2787363A
Cited
US3087725A
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US3280679A
Cited
US3239676A
Cited
US3186316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |