Patent US2232561A successfully refreshed from Google Patents.
US2232561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint spray booth
Assignee: IND SHEET METAL WORKS Inc
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Filing: 1939-04-25
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Granted: 1941-02-18
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Expires: 1959-04-25
Abstract
No abstract record available.
Inventors
- 👤 Rubert M Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:01
CPC Classifications
B; B05; B05B; B05B14/00; B05B14/40; B05B14/43; B05B14/20; Y; Y02; Y02P; Y02P70/00; Y02P70/10; Y10; Y10S; Y10S118/00; Y10S118/07; Y10S55/00; Y10S55/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-02-18 | 1944-08-19 | 1945-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-02-18 | 1948-08-19 | 1949-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-02-18 | 1952-08-19 | 1953-02-18 | $7700.00 | Window Closed / Lapsed |