Patent US2311851A successfully refreshed from Google Patents.
US2452435A
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Apparatus for producing elastic coils with connecting tails
Assignee: Kellogg Switchboard and Supply Co
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Filing: 1945-08-08
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Granted: 1948-10-26
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Expires: 1965-08-08
Abstract
No abstract record available.
Inventors
- 👤 Ralph J Arnold
- 👤 William D Macdonald
- 👤 Ralph D Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:14
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/008; B; B29; B29C; B29C53/00; B29C53/02; B29C53/12; Y; Y10; Y10S; Y10S264/00; Y10S264/40; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE90863C
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US458115A
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US865116A
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US2039475A
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US2271057A
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US2343881A
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US2339683A
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US2363826A
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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) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |