US2515093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making hollow articles
Assignee: Individual
•
Filing: 1949-10-03
•
Granted: 1950-07-11
•
Expires: 1969-10-03
Abstract
No abstract record available.
Inventors
- 👤 Elmer E Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:12
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/28; B29C49/30; B29C49/36; B29C49/42; B29C49/58; B29C49/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1863339A
Cited
US2175054A
Cited
US2331702A
Cited
US2354029A
Cited
US2401564A
Cited
US2331630A
Cited
US2349176A
Cited
US2345977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |