Patent US4895376A successfully refreshed from Google Patents.
US2544352A
Expired / Lapsed
US
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Governor with adjusting mechanism
Assignee: Freeport Minerals Corp
•
Filing: 1945-02-08
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Granted: 1951-03-06
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Expires: 1965-02-08
Abstract
No abstract record available.
Inventors
- 👤 Ross W Phelps
- 👤 Lewis T Rutledge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:49
CPC Classifications
G; G05; G05D; G05D13/00; G05D13/08; G05D13/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1910899A
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US1959515A
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US1954864A
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US2107990A
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US2170744A
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US2250982A
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US2250983A
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US2250984A
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US2356202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |