US3496049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat sealing means
Assignee: WELDOTORON Corp
•
Filing: 1966-07-26
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Granted: 1970-02-17
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Expires: 1986-07-26
Abstract
No abstract record available.
Inventors
- 👤 Kelvin Gordon Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:06
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/01; B29C66/03; B29C66/034; B29C66/0342; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/222; B29C65/223; B29C66/05; B29C66/20; B29C66/24; B29C66/244; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/818; B29C66/8187; B29C66/81871; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/832; B29C66/8324; B65; B65B; B65B51/00; B65B51/32; B29C35/00; B29C35/16; B29C2035/1658; B29C65/229; B29C65/38; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/812; B29C66/8122; B29C66/81411; B29C66/81421; B29C66/81422; B29K; B29K2909/00; B29K2909/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2716074A
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US2960425A
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US3011217A
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US3106487A
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US3406236A
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US3299251A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |