US2945616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gusset type envelopes
Assignee: CANADA ENVELOPE Co
•
Filing: 1956-11-23
•
Granted: 1960-07-19
•
Expires: 1976-11-23
Abstract
No abstract record available.
Inventors
- 👤 William O Normandin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:32
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/0005; B65D27/00; B65D31/00; B65D31/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US904168A
Cited
US2000796A
Cited
US2062618A
Cited
US2274934A
Cited
US2149872A
Cited
US2329444A
Cited
US2631772A
Cited
US2688914A
Cited
US2837267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |