US1551499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dilator
Assignee: ELECTRO THERMAL Co
•
Filing: 1922-05-18
•
Granted: 1925-08-25
•
Expires: 1942-05-18
Abstract
No abstract record available.
Inventors
- 👤 John G Homan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:25
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/12; A61B; A61B18/00; A61B18/04; A61B18/06; A61B17/00; A61B17/00234; A61B2017/00238; A61B2017/00274; A61B2018/00315; A61B2018/00547; A61F2007/0001; A61F2007/0018; A61F2007/0028; A61F7/02; A61F7/03
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) | 1928-08-24 | 1929-02-23 | 1929-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-08-24 | 1933-02-23 | 1933-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-08-24 | 1937-02-23 | 1937-08-25 | $7700.00 | Window Closed / Lapsed |