Patent US1377909A successfully refreshed from Google Patents.
US1377909A
Expired / Lapsed
US
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Portable diffusion apparatus
Assignee: Individual
•
Filing: 1921-01-07
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Granted: 1921-05-10
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Expires: 1941-01-07
Abstract
No abstract record available.
Inventors
- 👤 Moulin Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:23
CPC Classifications
A; A01; A01M; A01M1/00; A01M1/20; A01M1/2022; A01M1/2027; A01M1/2044; A61; A61L; A61L9/00; A61L9/015; A61L9/04; A61L9/12; A61L9/127
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) | 1924-05-09 | 1924-11-08 | 1925-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-05-09 | 1928-11-08 | 1929-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-05-09 | 1932-11-08 | 1933-05-10 | $7700.00 | Window Closed / Lapsed |