US2858795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drying and impregnating small articles
Assignee: Balfour Beatty PLC
•
Filing: 1955-05-18
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Granted: 1958-11-04
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Expires: 1975-05-18
Abstract
No abstract record available.
Inventors
- 👤 Walker Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:54
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/04; F26B5/042; H; H01; H01G; H01G13/00; H01G13/04
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) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |