US3383264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for attaching and removing envelopes and the like from a carrier web
Assignee: Converters Inc
•
Filing: 1964-03-25
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Granted: 1968-05-14
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Expires: 1984-03-25
Abstract
No abstract record available.
Inventors
- 👤 Archibald H Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:22
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/74; B31B70/88; B31B2160/00; B31B2160/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/1092; Y10T156/1097; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1734
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2696449A
Cited
US2892735A
Cited
US3079979A
Cited
US3196069A
Cited
US3200719A
Cited
US3226910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |