US1814546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming hemispherical caps with sealing lips
Assignee: Individual
•
Filing: 1929-03-21
•
Granted: 1931-07-14
•
Expires: 1949-03-21
Abstract
No abstract record available.
Inventors
- 👤 William H Carson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:20
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/59; B31B50/592; B31B70/00; B31B2105/00; B31B2105/002; B31B2105/0022; B31B2110/00; B31B2110/20; B31B2120/00; B31B2120/70; B31B2160/00; B31B2160/10; B31B50/26; B31B50/44
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) | 1934-07-13 | 1935-01-12 | 1935-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-07-13 | 1939-01-12 | 1939-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-07-13 | 1943-01-12 | 1943-07-14 | $7700.00 | Window Closed / Lapsed |