Patent US2377020A successfully refreshed from Google Patents.
US2377020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauge
Assignee: Individual
•
Filing: 1943-06-19
•
Granted: 1945-05-29
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Expires: 1963-06-19
Abstract
No abstract record available.
Inventors
- 👤 Edgar C Lundeberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:39
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/38; G01B3/42; G01B3/44; Y; Y10; Y10T; Y10T403/00; Y10T403/55
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) | 1948-05-28 | 1948-11-27 | 1949-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-05-28 | 1952-11-27 | 1953-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-05-28 | 1956-11-27 | 1957-05-29 | $7700.00 | Window Closed / Lapsed |