US3087040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for welding thermoplastic material
Assignee: Individual
•
Filing: 1961-10-30
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Granted: 1963-04-23
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Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 Meulen Leonard Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:58
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/74; B29C65/743; B29C65/7433; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/222; B29C65/223; B29C65/229; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81431; B29C66/83; B29C66/834; B29C66/8351; B29C66/83511; B29C66/83513; B29C66/83517; B31; B31B; B31B70/00; B31B2155/00; B31B2155/001; B31B2155/0014; B31B2160/00; B31B2160/10; B31B2160/106; B31B70/14; B31B70/60; B31B70/64; B31B70/642; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1313; Y10T156/1378
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2627893A
Cited
GB675008A
Cited
US2711779A
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US2726706A
Cited
US2796913A
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US2834395A
Cited
US3015600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |