US2821164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray device
Assignee: Individual
•
Filing: 1956-04-17
•
Granted: 1958-01-28
•
Expires: 1976-04-17
Abstract
No abstract record available.
Inventors
- 👤 Frank J Ingala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:35
CPC Classifications
B; B22; B22C; B22C23/00; B22C23/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1420888A
Cited
US1534627A
Cited
US1589014A
Cited
US1634266A
Cited
US2343842A
Cited
US2454910A
Cited
US2754035A
Cited
FR1088436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |