US3061173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined envelope and detachable return card
Assignee: CARD VELOPE R S V P
•
Filing: 1957-09-13
•
Granted: 1962-10-30
•
Expires: 1977-09-13
Abstract
No abstract record available.
Inventors
- 👤 Victor J Sawdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:01
CPC Classifications
B; B42; B42D; B42D15/00; B42D15/02; B42D15/04; B42D15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US738943A
Cited
US757801A
Cited
US2158528A
Cited
US2166439A
Cited
US2340700A
Cited
US2328380A
Cited
US2611630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |