US2534183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blowgun for cleaning machines or the like
Assignee: Individual
•
Filing: 1948-02-06
•
Granted: 1950-12-12
•
Expires: 1968-02-06
Abstract
No abstract record available.
Inventors
- 👤 Ernest H Shaff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:14
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US807243A
Cited
GB284863A
Cited
US1873304A
Cited
GB513013A
Cited
US2327574A
Cited
US2342276A
Cited
US2370245A
Cited
US2406914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |