US3515482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerosol photometer with improved electronic circuitry
Assignee: United States Department of the Navy
•
Filing: 1967-06-27
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Granted: 1970-06-02
•
Expires: 1987-06-27
Abstract
No abstract record available.
Inventors
- 👤 Peter J Garrow
- 👤 Edwin H Colledge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:41
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/47; G01N21/49; G01N21/53; G01N15/00; G01N15/06; G01N15/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2809295A
Cited
US2939361A
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US3361030A
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US3248551A
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US3404341A
Cited
US3383515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |