US2975823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making hollow plastic balls and other hollow bodies
Assignee: Individual
•
Filing: 1958-08-07
•
Granted: 1961-03-21
•
Expires: 1978-08-07
Abstract
No abstract record available.
Inventors
- 👤 Ponnock Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:22
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/50; B29C66/51; B29C66/54; B29C65/00; B29C65/02; B29C65/04; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/114; B29C66/1142; B29C66/13; B29C66/133; B29C66/61; B29C66/612; B29C66/70; B29C66/71; B29L; B29L2031/00; B29L2031/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2477040A
Cited
US2598629A
Cited
US2642911A
Cited
US2597704A
Cited
US2741402A
Cited
US2666831A
Cited
US2721600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |