Patent US2902044A successfully refreshed from Google Patents.
US2902044A
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Assignee: SUMMIT Manufacturing CO
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Filing: 1956-07-17
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Granted: 1959-09-01
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Expires: 1976-07-17
Abstract
No abstract record available.
Inventors
- 👤 Albert L Sherer
- 👤 Julius J Kazmierzak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:13
CPC Classifications
F; F16; F16K; F16K24/00; F16K24/04; F16K24/042; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3084; Y10T137/309; Y10T137/7722; Y10T137/7837; Y10T137/7869; Y10T137/7871
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US213033A
Cited
US442529A
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US512518A
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US1566580A
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US1576331A
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US2745628A
Cited
US2853094A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |