US2870812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nut and washer assembly, including a resilient plastic pad to provide a seal and lock
Assignee: Watts Electric and Manufacturing Co
•
Filing: 1953-09-21
•
Granted: 1959-01-27
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Expires: 1973-09-21
Abstract
No abstract record available.
Inventors
- 👤 Robert M Heller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:30
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/34; F16B33/00; F16B33/004; F16B37/00; F16B37/04; F16B37/06; F16B37/062; F16B37/065; F16B43/00; F16B43/001; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/956; Y10S411/96
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |