Patent DE894414C successfully refreshed from Google Patents.
Patent US2809649A successfully refreshed from Google Patents.
US2809649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic shelter
Assignee: PLASTIMAYD PRODUCTS Corp
•
Filing: 1955-05-03
•
Granted: 1957-10-15
•
Expires: 1975-05-03
Abstract
No abstract record available.
Inventors
- 👤 Milton G Druck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:46
CPC Classifications
E; E04; E04H; E04H1/00; E04H1/12; Y; Y10; Y10S; Y10S135/00; Y10S135/90
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US691964A
Cited
US785571A
Cited
FR532047A
Cited
US1966561A
Cited
US2221366A
Cited
US2420898A
Cited
US2702546A
Cited
US2723674A
Cited
US2717160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |