Patent US2601530A successfully refreshed from Google Patents.
US2601530A
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Envelope
Assignee: SAMUEL W KIPNIS
•
Filing: 1947-10-23
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Granted: 1952-06-24
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Expires: 1967-10-23
Abstract
No abstract record available.
Inventors
- 👤 Albert I Kegan
- 👤 Wayne A Neely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:56
CPC Classifications
B; B65; B65D; B65D27/00; B65D27/02; B42; B42D; B42D15/00; B42D15/02; B42D15/04; B42D15/08; Y; Y10; Y10S; Y10S229/00; Y10S229/933; Y10S229/936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US136666A
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US751423A
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US666924A
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US769136A
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US878234A
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US1965389A
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US1943022A
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US2168873A
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US2169436A
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US2362496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |