Patent US3286335A successfully refreshed from Google Patents.
US3286335A
Expired / Lapsed
US
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Method for replacing a seal in a support housing
Assignee: Individual
•
Filing: 1964-03-23
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Granted: 1966-11-22
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Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 Pietra Dante C Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:48
CPC Classifications
F; F01; F01D; F01D11/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49297; Y10T29/49718; Y10T29/49721; Y10T29/4973; Y10T29/49826; Y10T29/49895; Y10T29/49947; Y10T29/49954; Y10T29/49956; Y10T29/49957; Y10T29/49972; Y10T29/49998; Y10T29/53; Y10T29/53961; Y10T408/00; Y10T408/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |