US2463484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spindle adapter
Assignee: GELCO DEV CORP
•
Filing: 1947-01-08
•
Granted: 1949-03-01
•
Expires: 1967-01-08
Abstract
No abstract record available.
Inventors
- 👤 Karl A Gelpke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:01
CPC Classifications
D; D01; D01H; D01H7/00; D01H7/02; D01H7/04; D01H7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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DE498786C
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US1095357A
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GB285732A
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US1962339A
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US2100411A
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US2025949A
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US2168248A
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US2240055A
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US2246475A
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US2241118A
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US2385718A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |