US2534472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit snake
Assignee: Individual
•
Filing: 1948-03-12
•
Granted: 1950-12-19
•
Expires: 1968-03-12
Abstract
No abstract record available.
Inventors
- 👤 Herman D Norvelle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:28
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/06; H02G1/08; H02G1/085; B; B65; B65H; B65H2403/00; B65H2403/40; B65H2403/48; B65H2403/481; B65H2701/00; B65H2701/30; B65H2701/37; B65H2701/376
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |