Patent US2499698A successfully refreshed from Google Patents.
US2499698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mattress or box spring cover
Assignee: Individual
•
Filing: 1948-04-01
•
Granted: 1950-03-07
•
Expires: 1968-04-01
Abstract
No abstract record available.
Inventors
- 👤 Gretchen G Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:19
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/10; A47C31/105
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1267593A
Cited
US1315294A
Cited
US1335965A
Cited
US1502966A
Cited
GB323858A
Cited
US2440891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |