US2942703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall finishing construction
Assignee: United States Gypsum Co
•
Filing: 1953-01-07
•
Granted: 1960-06-28
•
Expires: 1973-01-07
Abstract
No abstract record available.
Inventors
- 👤 Nelsson Nels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:02
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/04; E06B1/34; E06B1/62; E06B2001/622
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US749391A
Cited
US1308276A
Cited
US903079A
Cited
US1798897A
Cited
US1825010A
Cited
US1890615A
Cited
US2043174A
Cited
US2132400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |