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US3441235A
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Assignee: Interim Corp
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Filing: 1966-02-10
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Granted: 1969-04-29
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Expires: 1986-02-10
Abstract
No abstract record available.
Inventors
- 👤 Alexander F Sperduti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:32
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/28; B65H54/2848; B65H54/2854; B65H54/2869; B65H54/2872; B21; B21C; B21C47/00; B21C47/02; B21C47/04; B21C47/10; B21C47/12; B65H54/2857; B65H54/2866
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2254221A
Cited
US2626765A
Cited
US2933265A
Cited
GB836412A
Cited
GB836411A
Cited
US2988292A
Cited
US3039707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |