US2594413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saw-tooth conditioning device
Assignee: Individual
•
Filing: 1950-11-03
•
Granted: 1952-04-29
•
Expires: 1970-11-03
Abstract
No abstract record available.
Inventors
- 👤 Vernard P Fisher
- 👤 Louis H Poole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:37
CPC Classifications
B; B23; B23D; B23D63/00; B23D63/08; B23D63/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US343785A
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US366215A
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US382467A
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US436059A
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US440163A
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US1501112A
Cited
US1844330A
Cited
US1866101A
Cited
US1866102A
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US2199325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |