US3035847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1959-07-31
•
Granted: 1962-05-22
•
Expires: 1979-07-31
Abstract
No abstract record available.
Inventors
- 👤 William E Born
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:41
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/18; B62B1/20; B62B1/208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1997432A
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US2014346A
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US2405674A
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US2531520A
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GB644108A
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US2745675A
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GB748377A
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US2857168A
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US2883207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |