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US2673906A
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Assignee: United Specialties Co
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Filing: 1951-07-11
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Granted: 1954-03-30
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Expires: 1971-07-11
Abstract
No abstract record available.
Inventors
- 👤 Robert W Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:44
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/14; B60Q1/1446; B60Q1/1453; B60Q1/1461; B60Q1/1484
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1802647A
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US1854056A
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US2064735A
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US2040923A
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US2108454A
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US2182029A
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US2182764A
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US2347937A
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US2432388A
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US2535384A
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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) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |