US2527628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing a matrix containing particulate fillers
Assignee: Akzo Nobel UK PLC
•
Filing: 1944-09-16
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Granted: 1950-10-31
•
Expires: 1964-09-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Carleton S Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:32
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/54; D04H1/56; Y; Y10; Y10S; Y10S55/00; Y10S55/05; Y10T; Y10T428/00; Y10T428/25; Y10T428/253; Y10T442/00; Y10T442/60; Y10T442/69; Y10T442/692
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2413551A
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US2379166A
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US2369583A
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US2924452A
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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) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |