US3423518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat shrinkable grommet
Assignee: Sigma Industries Inc
•
Filing: 1966-10-11
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Granted: 1969-01-21
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Expires: 1986-10-11
Abstract
No abstract record available.
Inventors
- 👤 William D Weagant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:02
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/06; H02G3/0616; H02G3/0625; H02G3/0675; H02G3/08; H02G3/088; Y; Y10; Y10S; Y10S174/00; Y10S174/08; Y10S439/00; Y10S439/932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |