US2512645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-advancing winding reel
Assignee: United States Department of Agriculture
•
Filing: 1946-07-19
•
Granted: 1950-06-27
•
Expires: 1966-07-19
Abstract
No abstract record available.
Inventors
- 👤 Hellbach Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:32
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D10/0454
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1052125A
Cited
US1609438A
Cited
US2175218A
Cited
US2179523A
Cited
US2277753A
Cited
DE706195C
Cited
US2378211A
Cited
US2387252A
Cited
US2396297A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |