US1475463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making battery vents
Assignee: INDIA RUBBER Co
•
Filing: 1921-11-29
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Granted: 1923-11-27
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Expires: 1941-11-29
Abstract
No abstract record available.
Inventors
- 👤 Weida Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:41
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/0053; B29C33/00; B29C33/44; B29C33/76; B29C43/00; B29C43/02; B29C43/021; B29C43/20; B29C43/203; B29C43/32; B29C43/36; B29C43/42; B29C2043/023; B29C43/361; B29C2043/3613; B29C2043/3615; B29C2043/3621; B29C2043/3665; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/34; B29L2031/3468; B29L2031/56; B29L2031/565; B29L2031/709; B29L2031/7096; B29L2031/748; B29L2031/7506
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) | 1926-11-26 | 1927-05-28 | 1927-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-11-26 | 1931-05-28 | 1931-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-11-26 | 1935-05-28 | 1935-11-27 | $7700.00 | Window Closed / Lapsed |