Patent US2969498A successfully refreshed from Google Patents.
Patent US827182A successfully refreshed from Google Patents.
US827182A
Expired / Lapsed
US
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Device for indicating at a distance the height of a water-level.
Assignee: Individual
•
Filing: 1905-03-08
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Granted: 1906-07-31
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Expires: 1925-03-08
Abstract
No abstract record available.
Inventors
- 👤 Franz Rittmeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:17
CPC Classifications
G; G08; G08C; G08C19/00; G08C19/02; H; H03; H03M; H03M1/00; H03M1/12; H03M1/22
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) | 1909-07-30 | 1910-01-29 | 1910-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-07-30 | 1914-01-29 | 1914-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-07-30 | 1918-01-29 | 1918-07-31 | $7700.00 | Window Closed / Lapsed |