US2529679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scourer-aspirator and method
Assignee: Safety Car Heating and Lighting Co
•
Filing: 1947-10-21
•
Granted: 1950-11-14
•
Expires: 1967-10-21
Abstract
No abstract record available.
Inventors
- 👤 Dodds Robert Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:38
CPC Classifications
B; B02; B02B; B02B3/00; B02B3/08; B07; B07B; B07B11/00; B07B11/06; B07B7/00; B07B7/08; B07B7/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US255747A
Cited
US348754A
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US492720A
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US868675A
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US854757A
Cited
US940469A
Cited
US997372A
Cited
US1355596A
Cited
US1457110A
Cited
US1908181A
Cited
US2051489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |