US2828953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Odorant dispenser
Assignee: DADE DISINFECTING Co Inc
•
Filing: 1955-07-01
•
Granted: 1958-04-01
•
Expires: 1975-07-01
Abstract
No abstract record available.
Inventors
- 👤 Eric C Hartmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:06
CPC Classifications
A; A61; A61L; A61L9/00; A61L9/015; A61L9/04; A61L9/12; A61L9/122; F; F24; F24F; F24F6/00; F24F6/02; F24F6/04; F24F8/00; F24F8/50; Y; Y10; Y10S; Y10S261/00; Y10S261/65
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US829707A
Cited
FR466172A
Cited
US1534343A
Cited
US1834092A
Cited
US2022680A
Cited
US2614820A
Cited
US2631023A
Cited
US2662609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |