US3486631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Basket for polished wafers
Assignee: JOHN T SHALER CO
•
Filing: 1967-09-29
•
Granted: 1969-12-30
•
Expires: 1987-09-29
Abstract
No abstract record available.
Inventors
- 👤 Hugh Rodman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:45
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/10; H10P72/15; Y; Y10; Y10S; Y10S206/00; Y10S206/832; Y10S206/833
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US815855A
Cited
US1647922A
Cited
US1822087A
Cited
US2595961A
Cited
US2696216A
Cited
US2944696A
Cited
US3014594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |