US3434330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauge casing
Assignee: Dresser Industries Inc
•
Filing: 1965-07-22
•
Granted: 1969-03-25
•
Expires: 1985-07-22
Abstract
No abstract record available.
Inventors
- 👤 Robert J Ingham
- 👤 Robert D Bissell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:33
CPC Classifications
G; G01; G01L; G01L19/00; G01L19/14; G01L19/06; G01L19/0627; G01L19/0654; G01L19/0672; G01L7/00; G01L7/02; G01L7/04; G01L7/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1520514A
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US2402360A
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US2607228A
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US2852742A
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US3133825A
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US3141335A
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US3201992A
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US3162173A
Cited
US3205712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |