US2659462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment for plastic enclosures
Assignee: Northrop Grumman Corp
•
Filing: 1948-09-17
•
Granted: 1953-11-17
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Expires: 1968-09-17
Abstract
No abstract record available.
Inventors
- 👤 Albert M Schwartz
- 👤 John T Willoughby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:36
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/14; B64C1/1476; B64C1/1492; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/1034
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB121813A
Cited
US2095209A
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US2258724A
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US2293656A
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US2382963A
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US2405038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |