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Patent US1852089A successfully refreshed from Google Patents.
US1852089A
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Assignee: HENRY B NEWHALL Corp
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Filing: 1931-04-30
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Granted: 1932-04-05
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Expires: 1951-04-30
Abstract
No abstract record available.
Inventors
- 👤 Henry W Pleister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:52
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/04; F16B13/08; F16B13/0858; F16B13/06; F16B13/063; F16B13/066; F16B13/068
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) | 1935-04-05 | 1935-10-05 | 1936-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-04-05 | 1939-10-05 | 1940-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-04-05 | 1943-10-05 | 1944-04-05 | $7700.00 | Window Closed / Lapsed |