US2458455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Greenhouse construction
Assignee: Burnham Corp
•
Filing: 1946-01-24
•
Granted: 1949-01-04
•
Expires: 1966-01-24
Abstract
No abstract record available.
Inventors
- 👤 Wilson Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:18
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/14; E; E04; E04D; E04D3/00; E04D3/02; E04D3/06; E04D3/14; E04D3/08; E04D2003/0843; E04D2003/0893; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US881964A
Cited
GB191001930A
Cited
GB170907A
Cited
US1934002A
Cited
GB496101A
Cited
US2219450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |