US2809066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick acting clamp means for handle structures of flasks of the vacuum coffee-making and similar types
Assignee: Wilbur Curtis Co Inc
•
Filing: 1952-08-30
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Granted: 1957-10-08
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Expires: 1972-08-30
Abstract
No abstract record available.
Inventors
- 👤 Wilbur D Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:20
CPC Classifications
A; A47; A47J; A47J45/00; A47J45/06; A47J45/07; A47J45/077; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US546903A
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GB189621838A
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US2137884A
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GB556795A
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US2378867A
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US2422510A
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US2495688A
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US2605010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |