US2456513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding of hollow articles
Assignee: Individual
•
Filing: 1945-04-20
•
Granted: 1948-12-14
•
Expires: 1965-04-20
Abstract
No abstract record available.
Inventors
- 👤 Theodore L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:44
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/42; B29C70/44; B29C70/446; B29C33/00; B29C33/44; B29C33/48; B29C33/485; B29C70/30; B29C70/34; B29C70/342; B29D; B29D22/00; B29C43/00; B29C43/02; B29C43/10; B29C43/12; B29K; B29K2105/00; B29K2105/06; B29L; B29L2031/00; B29L2031/702; B29L2031/712; B29L2031/7126
Claims Analysis
Total Claims: 0
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US1497190A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-14 | 1952-06-14 | 1952-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-14 | 1956-06-14 | 1956-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-14 | 1960-06-14 | 1960-12-14 | $7700.00 | Window Closed / Lapsed |