US2657951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spraying device
Assignee: Individual
•
Filing: 1949-10-18
•
Granted: 1953-11-03
•
Expires: 1969-10-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Harold D North
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:53
CPC Classifications
B; B65; B65D; B65D25/00; B65D25/38; B65D25/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US199264A
Cited
US1027112A
Cited
US1628564A
Cited
FR616824A
Cited
FR653276A
Cited
US1863158A
Cited
US2539559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |