US2794677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for spraying
Assignee: COLLARDIN
•
Filing: 1953-03-23
•
Granted: 1957-06-04
•
Expires: 1973-03-23
Abstract
No abstract record available.
Inventors
- 👤 Collardin Gerardo
- 👤 Ruhling Felix Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:28
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/16; B05B7/20; B05B7/201; B05B7/205; B05B7/206; B05B7/02; B05B7/1606; B05B7/1613; B05B7/166; B05B7/1666; E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/12
Claims Analysis
Total Claims: 0
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US2647793A
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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) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |