US2547326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling pin
Assignee: Individual
•
Filing: 1947-08-28
•
Granted: 1951-04-03
•
Expires: 1967-08-28
Abstract
No abstract record available.
Inventors
- 👤 Robert E Kellogg
- 👤 Everett J Kellogg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:39
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/01; B60D1/02; B60D1/025; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/31; Y10S24/35; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/44547; Y10T24/44564; Y10T24/45; Y10T24/45005; Y10T24/45115; Y10T24/45131; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49876
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US115113A
Cited
DE532113C
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US831260A
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US978330A
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US1218926A
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US1467844A
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US1632877A
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US2077825A
Cited
US2224522A
Cited
US2436210A
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 |