US2866655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seals for rotating shafts
Assignee: Individual
•
Filing: 1956-04-26
•
Granted: 1958-12-30
•
Expires: 1976-04-26
Abstract
No abstract record available.
Inventors
- 👤 Forest M Stanbro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:52
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/14; F04D29/146; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3436; F16J15/346; Y; Y10; Y10S; Y10S277/00; Y10S277/929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US978310A
Cited
US1383028A
Cited
US1539941A
Cited
US1840127A
Cited
US1861275A
Cited
US2133879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |