Patent JPH03210573A successfully refreshed from Google Patents.
US3446149A
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Assignee: EDWARD T STRICKLAND
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Filing: 1967-02-02
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Granted: 1969-05-27
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Expires: 1987-02-02
Abstract
No abstract record available.
Inventors
- 👤 Homer C Amos
- 👤 Edward T Strickland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:29
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/001; F04D9/002; C; C03; C03B; C03B37/00; C03B37/08; C03B5/00; C03B5/16; C03B5/18; C03B5/187; C03B5/1875; F04D5/00; F04D5/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1377914A
Cited
US1448079A
Cited
US2718989A
Cited
CH333652A
Cited
US3123861A
Cited
US3357361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |