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Patent US3016929A successfully refreshed from Google Patents.
US3016929A
Expired / Lapsed
US
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Filling mechanism for glasses
Assignee: KENCO PRODUCTS CORP
•
Filing: 1958-02-12
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Granted: 1962-01-16
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Expires: 1978-02-12
Abstract
No abstract record available.
Inventors
- 👤 Myron S Rapaport
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:41
CPC Classifications
F; F16; F16K; F16K21/00; F16K21/04; F16K21/16
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) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |