US2607835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High water signal
Assignee: Individual
•
Filing: 1950-06-26
•
Granted: 1952-08-19
•
Expires: 1970-06-26
Abstract
No abstract record available.
Inventors
- 👤 Bernard E Bonar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:50
CPC Classifications
B; B61; B61L; B61L5/00; B61L5/20; B61L5/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US602852A
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US874608A
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US1435986A
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US1452173A
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US1633608A
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US1834403A
Cited
US2127422A
Cited
US2082763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |