US3530540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding device
Assignee: Individual
•
Filing: 1968-03-01
•
Granted: 1970-09-29
•
Expires: 1988-03-01
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:54
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/30; B29C33/307; Y; Y10; Y10S; Y10S425/00; Y10S425/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2197212A
Cited
US2221794A
Cited
US2416559A
Cited
US2981997A
Cited
US3161938A
Cited
US3192594A
Cited
US3100911A
Cited
US3195207A
Cited
US3353220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |