US3447730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire feed apparatus
Assignee: Airco Inc
•
Filing: 1966-04-15
•
Granted: 1969-06-03
•
Expires: 1986-04-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Jeannette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:59
CPC Classifications
B; B21; B21F; B21F23/00; B21F23/002; B23; B23K; B23K9/00; B23K9/12; B23K9/133; B23K9/1336; B65; B65H; B65H51/00; B65H51/02; B65H51/04; B65H51/08; B65H51/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1246863A
Cited
US1228178A
Cited
US2091021A
Cited
US3022929A
Cited
US3093285A
Cited
US3107291A
Cited
US3331545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |