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US2979280A
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Assignee: WITTON Ltd JAMES
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Filing: 1958-12-10
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Granted: 1961-04-11
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Expires: 1978-12-10
Abstract
No abstract record available.
Inventors
- 👤 Ralph Frederick Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:22
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; B65H23/04; B65H23/06; B65H23/08; B65H23/085; B65H2403/00; B65H2403/50; B65H2403/52; B65H2404/00; B65H2404/10; B65H2404/15; B65H2404/152; B65H2404/1521; B65H2404/15212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1240631A
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US1673521A
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US1763594A
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US2066306A
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US2066307A
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US2334164A
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US2343181A
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US2613078A
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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) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |