Patent US3507451A successfully refreshed from Google Patents.
US3507451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray gun nozzle
Assignee: OCE W JOHNSON
•
Filing: 1968-08-21
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Granted: 1970-04-21
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Expires: 1988-08-21
Abstract
No abstract record available.
Inventors
- 👤 Oce W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:03
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/24; B05B7/2402; B05B7/2472; B05B7/02; B05B7/08; B05B7/0807; B05B7/0815; B05B7/2405; B05B7/2429; B05B7/2424
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2148047A
Cited
US2513081A
Cited
US2904262A
Cited
US3179341A
Cited
US3344992A
Cited
US3252657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |