US2864106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray guard
Assignee: United States Steel Corp
•
Filing: 1957-04-03
•
Granted: 1958-12-16
•
Expires: 1977-04-03
Abstract
No abstract record available.
Inventors
- 👤 Earll R Muddiman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:48
CPC Classifications
C; C25; C25D; C25D17/00; C23; C23G; C23G3/00; C23G3/02; C23G3/021; C25D7/00; C25D7/06; C25D7/0614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2324652A
Cited
US2317533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |