US2908030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for vapor spray cleaning
Assignee: Homestead Valve Manufacturing Co
•
Filing: 1956-01-19
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Granted: 1959-10-13
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Expires: 1976-01-19
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Schuchman
- 👤 Jr Scott A Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:45
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4088; A47L11/34; B; B05; B05B; B05B14/00; B05B14/30; B05B7/00; B05B7/02; B05B7/16; B05B7/1686; B08; B08B; B08B3/00; B08B3/02; B08B3/026; B08B3/028; B05B12/00; B05B12/16; B05B12/20; B05B12/22; B05B12/32; B05B12/34; B05B7/1693; B08B2230/00; B08B2230/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |