Patent US1499952A successfully refreshed from Google Patents.
US1499952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ampul syringe
Assignee: Individual
•
Filing: 1920-03-01
•
Granted: 1924-07-01
•
Expires: 1940-03-01
Abstract
No abstract record available.
Inventors
- 👤 Spahlinger Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:36
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/31; A61M2005/3103; A61M2005/3107; A61M2005/311
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1927-07-01 | 1927-12-31 | 1928-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-07-01 | 1931-12-31 | 1932-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-07-01 | 1935-12-31 | 1936-07-01 | $7700.00 | Window Closed / Lapsed |