US2452208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Velocity governor
Assignee: Pierce Governor Co Inc
•
Filing: 1943-10-21
•
Granted: 1948-10-26
•
Expires: 1963-10-21
Abstract
No abstract record available.
Inventors
- 👤 Reger Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:32
CPC Classifications
G; G05; G05D; G05D13/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7748; Y10T137/7753
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB191225860A
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US1820384A
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US1889706A
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US2026947A
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US2127521A
Cited
US2026948A
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US2024296A
Cited
US2139841A
Cited
US2161334A
Cited
US2338912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |