Patent US2497123A successfully refreshed from Google Patents.
Patent US2342853A successfully refreshed from Google Patents.
US2342853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination inhaler, cigarette filter, and holder
Assignee: Individual
•
Filing: 1941-08-25
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Granted: 1944-02-29
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Expires: 1961-08-25
Abstract
No abstract record available.
Inventors
- 👤 Furstenberg Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:19
CPC Classifications
A; A24; A24F; A24F13/00; A24F13/02; A24F13/04; A24F13/06; A24F42/00; A24F42/20; A24F42/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-02-28 | 1947-08-30 | 1948-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-02-28 | 1951-08-30 | 1952-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-02-28 | 1955-08-30 | 1956-02-29 | $7700.00 | Window Closed / Lapsed |