Patent US3797497A successfully refreshed from Google Patents.
US3376162A
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US
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Electrographic transfer sheet
Assignee: NRG Manufacturing Ltd
•
Filing: 1965-11-12
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Granted: 1968-04-02
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Expires: 1985-11-12
Abstract
No abstract record available.
Inventors
- 👤 Spencer Alexander
- 👤 Blake Alan Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:14
CPC Classifications
G; G03; G03G; G03G13/00; G03G13/26; G03G13/28; G03G13/283; G11; G11C; G11C13/00; G11C13/04; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/24975; Y10T428/31504; Y10T428/31801; Y10T428/31815; Y10T428/31819; Y10T428/31823; Y10T428/31971; Y10T428/31993
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2328198A
Cited
US2398779A
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US2664044A
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US2713822A
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US3048515A
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US3151548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |