Patent US2797591A successfully refreshed from Google Patents.
US2797591A
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Assignee: PATENT BUTTON Co OF TENNE
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Filing: 1953-07-06
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Granted: 1957-07-02
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Expires: 1973-07-06
Abstract
No abstract record available.
Inventors
- 👤 Marius W Marrapese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:28
CPC Classifications
G; G05; G05G; G05G1/00; G05G1/02; G05G1/08; G05G1/10; G05G1/12; G05G5/00; G05G5/06; G05G5/08; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20642; Y10T74/20732; Y10T74/20834; Y10T74/2084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US600849A
Cited
US409100A
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GB189914680A
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US893184A
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US1100286A
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US1113613A
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US1575410A
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US1527617A
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US2262667A
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US2427310A
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US2501008A
Cited
US2602351A
Cited
US2660904A
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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) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |