US2870403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for dielectrically measuring the thickness of moving webs of material
Assignee: Individual
•
Filing: 1953-05-06
•
Granted: 1959-01-20
•
Expires: 1973-05-06
Abstract
No abstract record available.
Inventors
- 👤 Lippke Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:03
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01B7/06; G01B7/08; G01B7/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1708074A
Cited
US2058518A
Cited
US1886508A
Cited
US2438506A
Cited
US2537731A
Cited
US2623928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |