US2703979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
shallenberg
Assignee: —
•
Filing: —
•
Granted: 1955-03-15
•
Expires: 1972-03-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:15
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/28; G01M3/2853; G01M3/2869
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US476082A
Cited
US2183189A
Cited
US1027834A
Cited
US2212466A
Cited
US2248888A
Cited
US2539843A
Cited
US2658386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-14 | 1958-09-13 | 1959-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-14 | 1962-09-13 | 1963-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-14 | 1966-09-13 | 1967-03-15 | $7700.00 | Window Closed / Lapsed |