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Patent US3541305A successfully refreshed from Google Patents.
US3541305A
Expired / Lapsed
US
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Plate-type heater
Assignee: Fujifilm Holdings Corp
•
Filing: 1968-11-12
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Granted: 1970-11-17
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Expires: 1988-11-12
Abstract
No abstract record available.
Inventors
- 👤 Shigeo Kuwayama
- 👤 Mikihiko Yagi
- 👤 Takayuki Kuriyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:40
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/10; H05B3/16; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2723338A
Cited
US2987300A
Cited
US2995645A
Cited
US3155814A
Cited
US3335261A
Cited
US3436524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |