US3520052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing matrix arrangements
Assignee: US Philips Corp
•
Filing: 1966-03-08
•
Granted: 1970-07-14
•
Expires: 1986-03-08
Abstract
No abstract record available.
Inventors
- 👤 Hans Hoffmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:50
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/14; G11C11/15; G11C11/21; G11C11/34; G11C5/00; G11C5/02; G11C5/04; G11C5/12; Y; Y10; Y10S; Y10S148/00; Y10S148/085; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069; Y10T29/49117; Y10T29/49124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2882519A
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US2970896A
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US3005937A
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US3170147A
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US3213430A
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US3183579A
Cited
US3142047A
Cited
US3371325A
Cited
US3229266A
Cited
US3375503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |