Patent US3041958A successfully refreshed from Google Patents.
US3041958A
Expired / Lapsed
US
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Method and apparatus for controlling processing temperatures
Assignee: WF and John Barnes Co
•
Filing: 1956-03-06
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Granted: 1962-07-03
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Expires: 1976-03-06
Abstract
No abstract record available.
Inventors
- 👤 Victor R Abrams
- 👤 Thomas C Werge
- 👤 Jr James F Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:52
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/22; G05D23/1925
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |