Patent US1298655A successfully refreshed from Google Patents.
US1298655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of air distribution.
Assignee: Individual
•
Filing: 1916-08-08
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Granted: 1919-04-01
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Expires: 1936-08-08
Abstract
No abstract record available.
Inventors
- 👤 Emil A Briner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:47
CPC Classifications
D; D21; D21F; D21F5/00; D21F5/02; D21F5/04; D21F5/042
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) | 1922-03-31 | 1922-09-30 | 1923-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-03-31 | 1926-09-30 | 1927-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-03-31 | 1930-09-30 | 1931-04-01 | $7700.00 | Window Closed / Lapsed |