US3473991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for bonding a plastic foam pad onto,and without warping,a heatwarpalle thermoplastic body member
Assignee: Pentapco Inc
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Filing: 1966-03-16
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Granted: 1969-10-21
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Expires: 1986-03-16
Abstract
No abstract record available.
Inventors
- 👤 Walter Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:28
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/70; B29C66/72; B29C66/727; B29C37/00; B29C37/0078; B29C37/0082; B29C65/00; B29C65/02; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29K; B29K2105/00; B29K2105/04; B29L; B29L2031/00; B29L2031/28; B29L2031/286; B29L2031/74; B29L2031/7406
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) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |