Patent US2681827A successfully refreshed from Google Patents.
US2681827A
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US
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Adjustable odorizer device
Assignee: Individual
•
Filing: 1950-06-29
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Granted: 1954-06-22
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Expires: 1970-06-29
Abstract
No abstract record available.
Inventors
- 👤 Bertha E Racz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:46
CPC Classifications
A; A24; A24F; A24F19/00; A24F19/10; Y; Y10; Y10S; Y10S261/00; Y10S261/88
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US105257A
Cited
US439317A
Cited
US603427A
Cited
US1665659A
Cited
US727597A
Cited
FR734831A
Cited
US2438129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-21 | 1957-12-21 | 1958-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-21 | 1961-12-21 | 1962-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-21 | 1965-12-21 | 1966-06-22 | $7700.00 | Window Closed / Lapsed |