US3433667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polishing cloth
Assignee: Dow Silicones Corp
•
Filing: 1964-01-22
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Granted: 1969-03-18
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Expires: 1984-01-22
Abstract
No abstract record available.
Inventors
- 👤 Richard C Gergle
- 👤 James A Merricks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:12
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; A; A47; A47L; A47L13/00; A47L13/10; A47L13/16; A47L13/17; C11; C11D; C11D17/00; C11D17/04; C11D17/049; C11D3/00; C11D3/16; C11D3/37; C11D3/3703; C11D3/373; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; C08G; C08G77/00; C08G77/04; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23986; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T442/00; Y10T442/20; Y10T442/273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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BE529577A
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US2635040A
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US2588365A
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US2588366A
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US2757094A
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GB804162A
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US2807601A
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US2755194A
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GB823760A
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US3071479A
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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) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |