US2548029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic coated roofing
Assignee: Pabco Products Inc
•
Filing: 1947-01-03
•
Granted: 1951-04-10
•
Expires: 1967-01-03
Abstract
No abstract record available.
Inventors
- 👤 Gerald T Kurtz
- 👤 Jr Frank O Groch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:24
CPC Classifications
E; E04; E04D; E04D5/00; E04D5/10; Y; Y10; Y10S; Y10S52/00; Y10S52/07; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24405; Y10T428/25; Y10T428/254
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB326792A
Cited
US1825877A
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US2061203A
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US2054499A
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US2143946A
Cited
US2218909A
Cited
US2332220A
Cited
US2371618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |