US1358193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilating device
Assignee: Fulton Co
•
Filing: 1916-08-31
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Granted: 1920-11-09
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Expires: 1936-08-31
Abstract
No abstract record available.
Inventors
- 👤 Weston M Fulton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/03; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/8593; Y10T137/87265; Y10T137/8741; Y10T137/87442; Y10T137/87467; Y10T137/87475
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) | 1923-11-09 | 1924-05-10 | 1924-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-11-09 | 1928-05-10 | 1928-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-11-09 | 1932-05-10 | 1932-11-09 | $7700.00 | Window Closed / Lapsed |