Patent US3496599A successfully refreshed from Google Patents.
US3496599A
Expired / Lapsed
US
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Apparatus for making plastic articles
Assignee: GRANT S BROWN
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Filing: 1966-03-03
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Granted: 1970-02-24
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Expires: 1986-03-03
Abstract
No abstract record available.
Inventors
- 👤 Grant S Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:46
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/4236; B29C49/28; B29C49/30; B29C49/36; B29C49/56; B29C49/5601; B29C49/5602; B29C49/5603; B29C49/561; B29C49/48; B29C2049/4856; B29C2049/4862
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2579399A
Cited
US2790994A
Cited
US2925863A
Cited
US2954581A
Cited
US3005231A
Cited
US3344471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |