Patent US3420515A successfully refreshed from Google Patents.
US3420515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for automatically loading and unloading fabric creasers
Assignee: Singer Co
•
Filing: 1965-07-16
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Granted: 1969-01-07
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Expires: 1985-07-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph W A Off
- 👤 Kenneth D Adams
- 👤 John A Raudonis Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:43
CPC Classifications
A; A41; A41H; A41H33/00; A41H43/00; A41H43/02; Y; Y10; Y10S; Y10S493/00; Y10S493/937
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1958096A
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US2550920A
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US2596068A
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US2972477A
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US2744461A
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US3031906A
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US2888862A
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US2915201A
Cited
US3114543A
Cited
US3194551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |