US2482702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making long draft aprons
Assignee: Armstrong World Industries Inc
•
Filing: 1941-07-31
•
Granted: 1949-09-20
•
Expires: 1961-07-31
Abstract
No abstract record available.
Inventors
- 👤 Bruce R Billmeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:49
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0032; B29D99/0035; B29C; B29C69/00; B29C69/001; B29C69/002; B29C70/00; B29C70/04; B29C70/28; B29C70/54; B29C70/542; D; D01; D01H; D01H5/00; D01H5/18; D01H5/70; D01H5/86; B29C53/00; B29C53/56; B29C53/58; B29K; B29K2021/00; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/10; B29K2105/101; B29L; B29L2007/00; B29L2007/007; B29L2031/00; B29L2031/32; B29L2031/324; D01H2700/00; D01H2700/245
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US192315A
Cited
US539224A
Cited
US1304694A
Cited
US1422451A
Cited
US77173A
Cited
US1535647A
Cited
US2046136A
Cited
GB443642A
Cited
US2012223A
Cited
US2170947A
Cited
US2278424A
Cited
US2121285A
Cited
US2287780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |