Patent US3514820A successfully refreshed from Google Patents.
US3514820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twist latch
Assignee: HERMAN O ROGG
•
Filing: 1968-10-04
•
Granted: 1970-06-02
•
Expires: 1988-10-04
Abstract
No abstract record available.
Inventors
- 👤 Herman O Rogg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:47
CPC Classifications
A; A44; A44B; A44B99/00; A44B99/005; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/51; Y10S24/53; Y10S24/54; Y10S24/56; Y10S24/58; Y10T; Y10T24/00; Y10T24/45; Y10T24/45005; Y10T24/45089
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US717714A
Cited
US1474208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |