US2567656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Hartford National Bank and Trust Co
•
Filing: 1948-08-04
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Granted: 1951-09-11
•
Expires: 1968-08-04
Abstract
No abstract record available.
Inventors
- 👤 Siezen Gerrit Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:06
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/56; G03B21/60; G03B21/62; G03B21/625
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1279262A
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US1515427A
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US1943995A
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US1970358A
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US1944187A
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US2058707A
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US2207835A
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US2268351A
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US2271196A
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US2326042A
Cited
US2351033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |