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Patent US2727630A successfully refreshed from Google Patents.
US2727630A
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Centrifugal loading controls
Assignee: Western States Machine Co
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Filing: 1951-12-12
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Granted: 1955-12-20
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Expires: 1971-12-12
Abstract
No abstract record available.
Inventors
- 👤 Hertrich Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:13
CPC Classifications
C; C25; C25D; C25D7/00; C25D7/06; C25D7/0607; B; B04; B04B; B04B11/00; B04B11/04; B04B11/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1157979A
Cited
US2037655A
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US1961893A
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US2130864A
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US2090373A
Cited
US2328394A
Cited
US2376304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-19 | 1959-06-20 | 1959-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-19 | 1963-06-20 | 1963-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-19 | 1967-06-20 | 1967-12-20 | $7700.00 | Window Closed / Lapsed |