US2704187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data records
Assignee: ROBERT RUSSELL STRATTON
•
Filing: 1950-03-14
•
Granted: 1955-03-15
•
Expires: 1970-03-14
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Beach
- 👤 William P Munger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:02
CPC Classifications
G; G06; G06K; G06K19/00; G06K19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2169213A
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US1509513A
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US2110854A
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US2493848A
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US2414643A
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US2442970A
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US2416625A
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US2407196A
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US2484642A
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US2501444A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-14 | 1958-09-13 | 1959-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-14 | 1962-09-13 | 1963-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-14 | 1966-09-13 | 1967-03-15 | $7700.00 | Window Closed / Lapsed |