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US2689908A
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Assignee: Individual
•
Filing: 1950-12-12
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Granted: 1954-09-21
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Expires: 1970-12-12
Abstract
No abstract record available.
Inventors
- 👤 Herbert R Simonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:13
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/14; F; F21; F21S; F21S41/00; F21S41/40; F21S41/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194135A
Cited
US1160718A
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US1615067A
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FR666308A
Cited
US1844624A
Cited
US1915193A
Cited
US2117099A
Cited
US2238409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |