Patent US2557702A successfully refreshed from Google Patents.
US2557702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal gauge
Assignee: Individual
•
Filing: 1948-01-28
•
Granted: 1951-06-19
•
Expires: 1968-01-28
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Soukup
- 👤 James H Brady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:52
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/08; G01B5/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US539492A
Cited
US1556666A
Cited
US875050A
Cited
US1090901A
Cited
GB148574A
Cited
US2117526A
Cited
GB554054A
Cited
US2353886A
Cited
US2351105A
Cited
US2397492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |