US2618528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chart drive mechanism
Assignee: Honeywell Inc
•
Filing: 1946-10-24
•
Granted: 1952-11-18
•
Expires: 1966-10-24
Abstract
No abstract record available.
Inventors
- 👤 John A Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:19
CPC Classifications
G; G01; G01N; G01N35/00; G01D; G01D15/00; G01D15/20; G01D15/24; G01K; G01K7/00; G01R; G01R1/00; G01R1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1604732A
Cited
US1871230A
Cited
US1880008A
Cited
US1847918A
Cited
US2074118A
Cited
US2412639A
Cited
US2483729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |