Patent US805851A successfully refreshed from Google Patents.
Patent US1688795A successfully refreshed from Google Patents.
US1688795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Teat cannula
Assignee: Individual
•
Filing: 1927-09-03
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Granted: 1928-10-23
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Expires: 1947-09-03
Abstract
No abstract record available.
Inventors
- 👤 Aas Nils
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:50
CPC Classifications
A; A61; A61D; A61D1/00; A61D1/02
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) | 1931-10-23 | 1932-04-23 | 1932-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-10-23 | 1936-04-23 | 1936-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-10-23 | 1940-04-23 | 1940-10-23 | $7700.00 | Window Closed / Lapsed |