US3131090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tumbling drum for coating nails having a weighing feeder
Assignee: Northwestern Steel and Wire Co
•
Filing: 1958-06-11
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Granted: 1964-04-28
•
Expires: 1978-06-11
Abstract
No abstract record available.
Inventors
- 👤 George W Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:13
CPC Classifications
B; B05; B05C; B05C3/00; B05C3/02; B05C3/04; B05C3/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
97 words
IN A NAIL COATING APPARATUS, A ROTATABLE TUMBLING DRUM, AN OSCILLATABLY MOVABLE HOPPER HAVING A DISCHARGE SPOUT EXTENDING WITHIN SAID TUMBLING DRUM, A WEIGH BOX FOR WEIGHING AND SUPPLYING A PREDETERMINED QUANTITY OF NAILS TO SAID HOPPER, A PUMP IN MATERIAL DISCHARGE RELATION WITH SAID HOPPER FOR SUPPLYING A UNIFORM QUANTITY OF COATING COMPOUND TO SAID HOPPER, MEANS FOR OSCILLATABLY DRIVING SAID HOPPER TO PROGRESS THE NAILS AND COATING COMPOUND THEREIN TO SAID TUMBLING DRUM, AND MEANS FOR ROTATABLY DRIVING SAID TUMBLING DRUM TO TUMBLE AND COAT THE NAILS THEREIN AND TO PROGRESS THE NAILS FOR PACKAGING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |