US1236865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instillation apparatus.
Assignee: H K MULFORD Co
•
Filing: 1917-03-23
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Granted: 1917-08-14
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Expires: 1937-03-23
Abstract
No abstract record available.
Inventors
- 👤 Paul S Pittenger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:24
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/14; A61M1/28
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) | 1920-08-13 | 1921-02-12 | 1921-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-08-13 | 1925-02-12 | 1925-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-08-13 | 1929-02-12 | 1929-08-14 | $7700.00 | Window Closed / Lapsed |