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US37677A
Expired / Lapsed
US
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Improvements breast-pumps
Assignee: —
•
Filing: —
•
Granted: 1863-02-17
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Expires: 1880-02-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:04
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/06; A61M1/062; A61M1/064
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) | 1866-02-16 | 1866-08-18 | 1867-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1870-02-16 | 1870-08-18 | 1871-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1874-02-16 | 1874-08-18 | 1875-02-17 | $7700.00 | Window Closed / Lapsed |