US2489032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Envelope snap fastener
Assignee: Scovill Inc
•
Filing: 1944-07-22
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Granted: 1949-11-22
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Expires: 1964-07-22
Abstract
No abstract record available.
Inventors
- 👤 Otto J Huelster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:16
CPC Classifications
B; B65; B65D; B65D27/00; B65D27/12; B65D27/20; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45775; Y10T24/45864; Y10T24/45874; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US400865A
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US617269A
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US749639A
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US1848580A
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US1088981A
Cited
US1044111A
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US1796525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |