US2684473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating and recording instrument
Assignee: Elsag Bailey Inc
•
Filing: 1950-05-17
•
Granted: 1954-07-20
•
Expires: 1970-05-17
Abstract
No abstract record available.
Inventors
- 👤 Jack F Shannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:11
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB394025A
Cited
US2113164A
Cited
US2113436A
Cited
US2280233A
Cited
US2332288A
Cited
US2485730A
Cited
US2452539A
Cited
US2577483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |