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US2686944A
Expired / Lapsed
US
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Scent projecting apparatus
Assignee: Individual
•
Filing: 1950-07-07
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Granted: 1954-08-24
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Expires: 1970-07-07
Abstract
No abstract record available.
Inventors
- 👤 Werner A Gubelin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:54
CPC Classifications
A; A61; A61L; A61L9/00; A61L9/015; A61L9/04; A61L9/12; A61L9/122; Y; Y10; Y10S; Y10S261/00; Y10S261/65; Y10S261/88
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2047844A
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US2179166A
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US2181422A
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US2277552A
Cited
US2249442A
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US2562959A
Cited
US2562960A
Cited
US2529605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |