Patent US1816576A successfully refreshed from Google Patents.
Patent US3414456A successfully refreshed from Google Patents.
US3414456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded hollow articles of manufacture
Assignee: Individual
•
Filing: 1965-07-30
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Granted: 1968-12-03
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Expires: 1985-07-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:39
CPC Classifications
B; B29; B29C; B29C39/00; B29C70/00; B29C70/003; B29C70/0035; B29C70/04; B29K; B29K2105/00; B29K2105/06; B29K2309/00; B29K2309/08; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1372; Y10T428/1379; Y10T428/1386
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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |