US2740671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulverulent material supply for volumetric feeders
Assignee: Fuller Co
•
Filing: 1953-05-22
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Granted: 1956-04-03
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Expires: 1973-05-22
Abstract
No abstract record available.
Inventors
- 👤 Sayre Howard Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:15
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/0033; B; B65; B65G; B65G53/00; B65G53/04; B65G53/16; B65G53/18; B65G53/20; F23; F23K; F23K3/00; F23K2203/00; F23K2203/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |