Patent US4467791A successfully refreshed from Google Patents.
Patent US2925983A successfully refreshed from Google Patents.
US2925983A
Expired / Lapsed
US
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Pulse generator weigher
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1953-02-13
•
Granted: 1960-02-23
•
Expires: 1973-02-13
Abstract
No abstract record available.
Inventors
- 👤 Kennaway Alexander
- 👤 Lolley Raymond Alan
- 👤 Pigott Owen Rupert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:17
CPC Classifications
G; G01; G01G; G01G23/00; G01G23/18; G01G23/36; G01G23/37; G01G23/375; G01G13/00; G01G13/24; G01G13/28; G01G13/29; G01G13/2906; G01G13/2912; Y; Y10; Y10S; Y10S177/00; Y10S177/06
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |