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Patent US3409757A successfully refreshed from Google Patents.
US3409757A
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Controlled thermal environment apparatus
Assignee: United States Department of the Interior
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Filing: 1966-01-13
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Granted: 1968-11-05
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Expires: 1986-01-13
Abstract
No abstract record available.
Inventors
- 👤 James R Mcvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:52
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24; G05D23/1906; G05D23/1913; G05D23/1927; G05D23/1928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2954479A
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US3069909A
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US3042781A
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US3042782A
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US3327096A
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US3349223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |