US3509767A
Expired / Lapsed
US
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Manometric apparatus
Assignee: Mercury Electronics Scotland Ltd
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Filing: 1968-07-01
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Granted: 1970-05-05
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Expires: 1988-07-01
Abstract
No abstract record available.
Inventors
- 👤 James Robertson Bouvard Greer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:26
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/08; A61B5/087; A61B5/0873; G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/38; G01F1/383; G01L; G01L9/00; G01L9/0041; G01L9/0076; G01L9/0077; H; H03; H03F; H03F1/00; H03F1/30; H03F1/303; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49758; Y10T29/4976
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3397581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |