Patent US3065892A successfully refreshed from Google Patents.
US3065892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum buffer
Assignee: International Standard Electric Corp
•
Filing: 1960-12-09
•
Granted: 1962-11-27
•
Expires: 1980-12-09
Abstract
No abstract record available.
Inventors
- 👤 Henri F Castelijns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:41
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/30; C21C5/32; B; B65; B65H; B65H20/00; B65H20/24; F; F16; F16H; F16H7/00; F16H7/08; F16H7/0827; G; G06; G06K; G06K13/00; G06K13/18; G06K13/20; G06K13/22; G06K13/26; G06K13/28; G11; G11B; G11B15/00; G11B15/18; G11B15/38; G11B15/56; G11B15/58; B65H2408/00; B65H2408/20; B65H2408/21; B65H2408/212; B65H2408/215
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |