Patent US2709565A successfully refreshed from Google Patents.
US2709565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicator holder
Assignee: Individual
•
Filing: 1951-06-04
•
Granted: 1955-05-31
•
Expires: 1971-06-04
Abstract
No abstract record available.
Inventors
- 👤 Samuel P Tousignant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:43
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/0002; G01B5/0004; Y; Y10; Y10S; Y10S248/00; Y10S248/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US667735A
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US1059217A
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US1410608A
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DE615961C
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US2066699A
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US2124006A
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US2243517A
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US2304460A
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US2315260A
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US2520884A
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US2608192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |