Patent US3430950A successfully refreshed from Google Patents.
US3430950A
Expired / Lapsed
US
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Sheet feeding mechanism
Assignee: Masson Scott Thrissell Engineering Ltd
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Filing: 1966-12-20
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Granted: 1969-03-04
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Expires: 1986-12-20
Abstract
No abstract record available.
Inventors
- 👤 Hugh Robert Waring Marsh
- 👤 Frank William Wilshin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:05
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/58; B65H29/60; B65H29/12; B65H29/14; B65H31/00; B65H31/24; B65H2404/00; B65H2404/20; B65H2404/26; B65H2404/261; B65H2405/00; B65H2405/30; B65H2405/33; B65H2405/331; B65H2405/3311; B65H2408/00; B65H2408/10; B65H2408/11; B65H2408/111
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |