Patent US3707420A successfully refreshed from Google Patents.
US3707420A
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Assignee: Deering Milliken Research Corp
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Filing: 1971-01-07
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Granted: 1972-12-26
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Expires: 1991-01-07
Abstract
Abstract APPARATUS TO METER A SUPPLY OF PULL TABS TO A HEAT SEALING UNIT FOR THE PURPOSE OF HEAT SEALING SUCH PULL TABS OVER AN OPENING IN A WEB OF MATERIAL WHICH HAS BEEN PREVIOUSLY PUNCHED THEREIN.
Inventors
- 👤 William O Young Jr
- 👤 Walter J Quattlebaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:08
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/81; B31B50/812; B31B50/8122; B31B50/8123; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/12; Y10T156/1304; Y10T156/1309; Y10T156/1313; Y10T156/1317; Y10T156/1322; Y10T156/1326; Y10T156/133; Y10T156/1335
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-26 | 1976-06-26 | 1976-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-26 | 1980-06-26 | 1980-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-26 | 1984-06-26 | 1984-12-26 | $7700.00 | Window Closed / Lapsed |