Patent US3490084A successfully refreshed from Google Patents.
US3490084A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1968-01-22
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Granted: 1970-01-20
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Expires: 1988-01-22
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Schuster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:32
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/04; A47C23/043; A47C23/0435; Y; Y10; Y10S; Y10S5/00; Y10S5/935; Y10S5/936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2822896A
Cited
US3059249A
Cited
US3052459A
Cited
US3095188A
Cited
US3252170A
Cited
US3378299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |