US3538543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shell mould for manufacturing hollow plastic mouldings
Assignee: Individual
•
Filing: 1967-06-26
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Granted: 1970-11-10
•
Expires: 1987-06-26
Abstract
No abstract record available.
Inventors
- 👤 Paul Nataf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:05
CPC Classifications
B; B65; B65D; B65D23/00; B29; B29C; B29C33/00; B29C49/00; B29C49/02; B29C49/04; B29C49/42; B29C49/48; B29C49/4802; B65D1/00; B65D1/02; B65D1/0223; B65D1/023; B65D1/0238; B29C2049/4805; B65D2501/00; B65D2501/0009; B65D2501/0063; Y; Y10; Y10S; Y10S215/00; Y10S215/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |