US3499809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sonic welding method utilizing vibration damping
Assignee: Robertshaw Controls Co
•
Filing: 1967-08-08
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Granted: 1970-03-10
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Expires: 1987-08-08
Abstract
No abstract record available.
Inventors
- 👤 Robert D Wysong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:32
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/08; B29C65/56; B29C65/64; B29C65/645; B29C66/00; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/81431; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B29C66/70; B29C66/74; B29C66/742; B29L; B29L2031/00; B29L2031/34; B29L2031/3406; Y; Y10; Y10S; Y10S220/00; Y10S220/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3022814A
Cited
US3433413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |