US3707422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Patch cutting and application system for two independently timed patches on an envelope blank
Assignee: FL Smithe Machine Co Inc
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Filing: 1970-10-19
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Granted: 1972-12-26
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Expires: 1990-10-19
Abstract
Abstract AN APPARATUS WHEREBY WINDOW ENVELOPES ARE PROVIDED WITH TWO OR MORE WINDOWS HAVING A PATCH CUTTING AND APPLICATION SYSTEM IN WHICH THE MECHANISM PREPARES AND FEEDS INDEPENDENTLY TIMED WINDOW PATCHES TO THE APPROPRIATE LOCATION ON EACH OF THE WINDOW ENVELOPES. THE MECHANISM UTILIZES SUITABLE INDEPENDENT CUTTING CYLINDER TOGETHER WITH A PATCH TRANSFER CYLINDER AND ONE OF THE CUTTING CYLINDERS TRANSFERS THE CUT PATCHES TO A COLLATING CYLINDER.
Inventors
- 👤 Herbert W Helm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:41
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/82; B31B70/826; B31B2150/00; B31B2160/00; B31B2160/10; B31B2160/102; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/125; Y10T156/1304; Y10T156/1309; Y10T156/1317; Y10T156/1322; Y10T156/133; Y10T156/1335; Y10T156/1339; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1751; Y10T156/1754; Y10T156/1768; Y10T156/1771
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 |