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US2358047A
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Hydraulic remote indicating apparatus
Assignee: B & R Patents Ltd
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Filing: 1942-06-12
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Granted: 1944-09-12
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Expires: 1962-06-12
Abstract
No abstract record available.
Inventors
- 👤 Birch George Christian Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:55
CPC Classifications
F; F15; F15B; F15B7/00; F15B7/06; F15B7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-09-12 | 1948-03-13 | 1948-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-09-12 | 1952-03-13 | 1952-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-09-12 | 1956-03-13 | 1956-09-12 | $7700.00 | Window Closed / Lapsed |