US2805815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined letter and envelope
Assignee: Individual
•
Filing: 1954-10-08
•
Granted: 1957-09-10
•
Expires: 1974-10-08
Abstract
No abstract record available.
Inventors
- 👤 Martin B Loetscher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:01
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)
DE279512C
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DE318784C
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US396985A
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US1447825A
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US1461879A
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US1635278A
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US2114130A
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GB517560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |