Patent US2668704A successfully refreshed from Google Patents.
US2668704A
Expired / Lapsed
US
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Apparatus for dispensing stacked sheet material
Assignee: Individual
•
Filing: 1950-02-04
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Granted: 1954-02-09
•
Expires: 1970-02-04
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Durksen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:37
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/08; B65H3/10; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/423; B65H2301/4232; B65H2301/42322
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1956647A
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US2125199A
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US2219608A
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US2377295A
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US2325774A
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US2395497A
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US2390901A
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US2413358A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |