US2547578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission system
Assignee: Niles Bement Pond Co
•
Filing: 1945-09-15
•
Granted: 1951-04-03
•
Expires: 1965-09-15
Abstract
No abstract record available.
Inventors
- 👤 Trent H Holmes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:28
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US732908A
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US967565A
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US1354777A
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US1606913A
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US2099630A
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US2054570A
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US2190122A
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US2221308A
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US2255783A
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US2361098A
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US2365987A
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US2393882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |