US3202420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum feeding device
Assignee: Individual
•
Filing: 1963-05-29
•
Granted: 1965-08-24
•
Expires: 1983-05-29
Abstract
No abstract record available.
Inventors
- 👤 Norman E Dovey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:54
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/20; B65; B65H; B65H3/00; B65H3/08; B65H3/0808; B65H3/0883
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1162658A
Cited
US2163274A
Cited
US2392403A
Cited
US2792220A
Cited
US2850279A
Cited
US2828126A
Cited
US2862709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |