US3437274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid spray apparatus
Assignee: Individual
•
Filing: 1966-07-26
•
Granted: 1969-04-08
•
Expires: 1986-07-26
Abstract
No abstract record available.
Inventors
- 👤 Edward W Apri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:29
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/02; B05B1/04; B05B1/048; B05B1/042; B05B1/12; B05B1/14; B05B1/16; B05B1/1627; B05B1/1663; B05B1/26; B05B1/262; B05B1/267
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1276245A
Cited
US1823635A
Cited
US2325008A
Cited
US2563152A
Cited
US2522928A
Cited
US2665946A
Cited
US2701412A
Cited
US2987262A
Cited
US3107060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |