Patent US3011545A successfully refreshed from Google Patents.
US3011545A
Expired / Lapsed
US
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Pressure loading means for traveling blankets
Assignee: Clupak Inc
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Filing: 1959-03-16
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Granted: 1961-12-05
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Expires: 1979-03-16
Abstract
No abstract record available.
Inventors
- 👤 Hewitt S Welsh
- 👤 Harold O Balough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:29
CPC Classifications
D; D21; D21G; D21G9/00; D06; D06C; D06C21/00; D21H; D21H25/00; D21H25/005; D21H5/00; D21H5/24; D21H5/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |