US2642670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauge
Assignee: Individual
•
Filing: 1949-02-19
•
Granted: 1953-06-23
•
Expires: 1969-02-19
Abstract
No abstract record available.
Inventors
- 👤 Walter K Dow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:30
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1602645A
Cited
US1469343A
Cited
US1571783A
Cited
US1664535A
Cited
DE455963C
Cited
US1922895A
Cited
US2039224A
Cited
GB587175A
Cited
US2490376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |