US2552352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray head
Assignee: Individual
•
Filing: 1947-11-14
•
Granted: 1951-05-08
•
Expires: 1967-11-14
Abstract
No abstract record available.
Inventors
- 👤 Reinhold J Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:16
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/14; B05B1/1421; B05B1/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US53175A
Cited
US752803A
Cited
US1633531A
Cited
US1555393A
Cited
US1895890A
Cited
US2025767A
Cited
US2103425A
Cited
US2249274A
Cited
US2314357A
Cited
US2325123A
Cited
US2354019A
Cited
US2382066A
Cited
US2488017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |