US3461503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding
Assignee: Phillips Petroleum Co
•
Filing: 1967-04-28
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Granted: 1969-08-19
•
Expires: 1987-04-28
Abstract
No abstract record available.
Inventors
- 👤 Calvin D Dockery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:46
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/04; B29C51/26; B29C51/30; B29C51/32; B29C51/325; B29D; B29D1/00; B29C43/00; B29C43/32; B29C43/36; B29C43/361; B29C2043/3615; B29C2043/3634; B29C51/10; B29K; B29K2105/00; B29K2105/25; B29K2105/253; B29K2105/256; B29L; B29L2001/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE23171E
Cited
US2348738A
Cited
US3193881A
Cited
US3316594A
Cited
US3303249A
Cited
US3259942A
Cited
GB1095632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |