US2473449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal governor
Assignee: MASSEY MACHINE Co
•
Filing: 1944-09-28
•
Granted: 1949-06-14
•
Expires: 1964-09-28
Abstract
No abstract record available.
Inventors
- 👤 Armin H Rodeck
- 👤 Albert G Massey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:33
CPC Classifications
G; G05; G05D; G05D13/00; G05D13/08; G05D13/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US202892A
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US1019007A
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US1334902A
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US1463909A
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DE331810C
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US1878305A
Cited
GB410705A
Cited
US2134758A
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US2261332A
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US2250983A
Cited
US2288382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |