US3486861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detection systems
Assignee: Individual
•
Filing: 1967-09-20
•
Granted: 1969-12-30
•
Expires: 1987-09-20
Abstract
No abstract record available.
Inventors
- 👤 William Antony Wiseman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:26
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/62; G01N30/64; G01N30/84; G01N31/00; G01N33/00; G01N33/0004; G01N33/0009; G01N33/0011; G01N33/0013; Y; Y10; Y10T; Y10T436/00; Y10T436/12; Y10T436/20; Y10T436/207497; Y10T436/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734376A
Cited
US2805191A
Cited
US2762568A
Cited
US3010801A
Cited
US3096157A
Cited
US3240554A
Cited
US3342558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |