US3536567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat sealing and cooling means
Assignee: Halm Instrument Co Inc
•
Filing: 1967-08-14
•
Granted: 1970-10-27
•
Expires: 1987-08-14
Abstract
No abstract record available.
Inventors
- 👤 Henry Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:24
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/82; B29C66/826; B29C66/8266; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C66/004; B29C66/0042; B29C66/0044; B29C66/01; B29C66/03; B29C66/034; B29C66/0342; B29C66/344; B29C66/81; B29C66/814; B29C66/8145; B29C66/81455; B29C66/818; B29C66/8181; B29C66/81811; B29C35/00; B29C35/16; B29C2035/1658; B29C66/812; B29C66/8122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2621704A
Cited
US3332204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |