Patent US3512818A successfully refreshed from Google Patents.
US3512818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clip
Assignee: Paeco Inc
•
Filing: 1968-11-29
•
Granted: 1970-05-19
•
Expires: 1988-11-29
Abstract
No abstract record available.
Inventors
- 👤 Stephen Pechenik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:08
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/005; Y; Y10; Y10S; Y10S52/00; Y10S52/08; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49904
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB796853A
Cited
US3039571A
Cited
US3010550A
Cited
US3090471A
Cited
US3295284A
Cited
US3277624A
Cited
US3300940A
Cited
US3387872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |