Patent US2943186A successfully refreshed from Google Patents.
US2943186A
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Assignee: CORNELIUS WEISS Co
•
Filing: 1953-09-04
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Granted: 1960-06-28
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Expires: 1973-09-04
Abstract
No abstract record available.
Inventors
- 👤 Leopold J Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:08
CPC Classifications
A; A42; A42B; A42B1/00; A42B1/24; A42B1/242; A63; A63H; A63H37/00; F; F21; F21L; F21L14/00; F21V; F21V17/00; Y; Y10; Y10S; Y10S362/00; Y10S362/806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1206356A
Cited
US2131617A
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US2320222A
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US2473394A
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US2593188A
Cited
US2501006A
Cited
US2640980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |