US2989935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum attachment for dial looping machine
Assignee: Burlington Industries Inc
•
Filing: 1959-03-19
•
Granted: 1961-06-27
•
Expires: 1979-03-19
Abstract
No abstract record available.
Inventors
- 👤 Vaughn H Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:54
CPC Classifications
D; D05; D05B; D05B7/00; D05B65/00; D05B65/06; D05D; D05D2207/00; D05D2207/02; D05D2207/04; D05D2305/00; D05D2305/50; Y; Y10; Y10S; Y10S112/00; Y10S112/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1214170A
Cited
US1847537A
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US1853377A
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US2424102A
Cited
US2661519A
Cited
US2669765A
Cited
US2712805A
Cited
GB772913A
Cited
US2906296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |