US2678769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-in-one bank deposit envelope
Assignee: Individual
•
Filing: 1951-04-02
•
Granted: 1954-05-18
•
Expires: 1971-04-02
Abstract
No abstract record available.
Inventors
- 👤 Andrew M David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:05
CPC Classifications
B; B65; B65D; B65D27/00; B65D27/06; B42; B42D; B42D15/00; B42D15/02; B42D15/04; B42D15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US769536A
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US886449A
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US1091172A
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US1201419A
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US2069602A
Cited
US1995183A
Cited
US2071623A
Cited
US2355348A
Cited
US2402821A
Cited
US2558813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |