Patent US3475589A successfully refreshed from Google Patents.
US3475589A
Expired / Lapsed
US
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Thermal exposure device
Assignee: White Consolidated Industries Inc
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Filing: 1966-05-04
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Granted: 1969-10-28
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Expires: 1986-05-04
Abstract
No abstract record available.
Inventors
- 👤 Robert J Bartusek
- 👤 Aladar L Czerna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:48
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/30; G03B27/306; H; H05; H05B; H05B3/00; H05B3/0033; H05B3/0038
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |