US2500850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tracer
Assignee: George Gorton Machine Co
•
Filing: 1944-07-28
•
Granted: 1950-03-14
•
Expires: 1964-07-28
Abstract
No abstract record available.
Inventors
- 👤 Miller Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:11
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/24; B23Q35/26; B23Q35/30; B23Q35/32; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303416; Y10T409/303472; Y10T409/303528
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US466275A
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US1014012A
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US1625149A
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US2013676A
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US2025748A
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US2007899A
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US2263110A
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US2229352A
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US2322653A
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US2331817A
Cited
US2409903A
Cited
US2447201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |