US2492082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weighting and unweighting device for drafting rolls
Assignee: Burlington Industries LLC
•
Filing: 1946-02-11
•
Granted: 1949-12-20
•
Expires: 1966-02-11
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:01
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/46; D01H5/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US235936A
Cited
US744114A
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US1241586A
Cited
GB178221A
Cited
US1923593A
Cited
US2249408A
Cited
US2301701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-19 | 1953-06-20 | 1953-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-19 | 1957-06-20 | 1957-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-19 | 1961-06-20 | 1961-12-20 | $7700.00 | Window Closed / Lapsed |