Patent US2833027A successfully refreshed from Google Patents.
US2833027A
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Method for preparing backwound springs for use in spring motors
Assignee: Majik Ironers Inc
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Filing: 1954-05-05
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Granted: 1958-05-06
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Expires: 1974-05-05
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:25
CPC Classifications
G; G04; G04B; G04B1/00; G04B1/10; G04B1/12; A; A63; A63H; A63H29/00; A63H29/02; A63H29/04; F; F03; F03G; F03G1/00; F03G1/02; F03G1/022; G04B1/22; F16; F16F; F16F1/00; F16F1/02; F16F1/04; F16F1/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49609
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US377489A
Cited
US1166870A
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US2063799A
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US2532828A
Cited
US2495212A
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US2587308A
Cited
US2622700A
Cited
US2714019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |