US789315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible ventilator-hose.
Assignee: Individual
•
Filing: 1904-01-30
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Granted: 1905-05-09
•
Expires: 1924-01-30
Abstract
No abstract record available.
Inventors
- 👤 Olof Hjalmar Bergstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:09
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/10; F24; F24F; F24F13/00; F24F13/02; F24F13/0272; B; B65; B65B; B65B7/00; B65B7/14; F24F13/0218
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) | 1908-05-08 | 1908-11-07 | 1909-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-05-08 | 1912-11-07 | 1913-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-05-08 | 1916-11-07 | 1917-05-09 | $7700.00 | Window Closed / Lapsed |