Patent US3411219A successfully refreshed from Google Patents.
US3411219A
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US
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Dryness control
Assignee: Robertshaw US Holding Corp
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Filing: 1967-02-17
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Granted: 1968-11-19
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Expires: 1987-02-17
Abstract
No abstract record available.
Inventors
- 👤 Russell W Bartholomew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:49
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/048; D; D06; D06F; D06F34/00; D06F34/14; D06F34/18; D06F2103/00; D06F2103/02; D06F2103/08; D06F2103/10; D06F2105/00; D06F2105/28; D06F58/00; D06F58/32; D06F58/34; D06F58/36; D06F58/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2991641A
Cited
US3300869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |