US2905029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure indexing apparatus
Assignee: James Smith & Son Inc
•
Filing: 1954-01-25
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Granted: 1959-09-22
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Expires: 1974-01-25
Abstract
No abstract record available.
Inventors
- 👤 Carl O Gustafson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:48
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/04; B23Q16/06; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1453; Y10T74/1494
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1199640A
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US1130910A
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US1909766A
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US1909767A
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US2214308A
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US2358503A
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US2453600A
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US2423367A
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US2711157A
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US2701552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |