Patent US2415334A successfully refreshed from Google Patents.
US2415334A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1945-05-02
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Granted: 1947-02-04
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Expires: 1965-05-02
Abstract
No abstract record available.
Inventors
- 👤 Brown Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:25
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/14; B62B3/16; B62B3/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1042193A
Cited
US1432037A
Cited
US1414112A
Cited
US1439392A
Cited
US1500108A
Cited
US1495477A
Cited
CH134812A
Cited
FR696969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-03 | 1950-08-05 | 1951-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-03 | 1954-08-05 | 1955-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-03 | 1958-08-05 | 1959-02-04 | $7700.00 | Window Closed / Lapsed |