US3389459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strain gage installations
Assignee: Microdot Inc
•
Filing: 1963-09-19
•
Granted: 1968-06-25
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Expires: 1983-09-19
Abstract
No abstract record available.
Inventors
- 👤 John D Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:11
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/24; G01L9/00; G01L9/0041; G01L9/0051; G01L9/006; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49087; Y10T29/49089; Y10T29/49091; Y10T29/49103; Y10T29/49117; Y10T29/49169
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2403951A
Cited
US3096566A
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GB720939A
Cited
US2898761A
Cited
US2920377A
Cited
US3036283A
Cited
US3060395A
Cited
US3084300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |