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Patent US2693331A successfully refreshed from Google Patents.
US2693331A
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Support for vibrating equipment
Assignee: Productive Equipment Corp
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Filing: 1949-01-17
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Granted: 1954-11-02
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Expires: 1969-01-17
Abstract
No abstract record available.
Inventors
- 👤 Lewis E Soldan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:18
CPC Classifications
F; F16; F16F; F16F3/00; F16F3/08; F16F3/087; F16F3/0873
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR439512A
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US1732647A
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US1929700A
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US2022099A
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US2110701A
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US2215743A
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FR50180E
Cited
US2338323A
Cited
US2389562A
Cited
US2399414A
Cited
US2376317A
Cited
US2484191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |